1997965872

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21313}}^1$

素因数の和:21368

約数の個数: 160

約数和(自身を含む): 6765916160

約数和(自身を除く): 4767950288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 36, 42, 48, 54, 56, 62, 63, 72, 84, 93, 108, 112, 124, 126, 144, 168, 186, 189, 216, 217, 248, 252, 279, 336, 372, 378, 432, 434, 496, 504, 558, 651, 744, 756, 837, 868, 1008, 1116, 1302, 1488, 1512, 1674, 1736, 1953, 2232, 2604, 3024, 3348, 3472, 3906, 4464, 5208, 5859, 6696, 7812, 10416, 11718, 13392, 15624, 21313, 23436, 31248, 42626, 46872, 63939, 85252, 93744, 127878, 149191, 170504, 191817, 255756, 298382, 341008, 383634, 447573, 511512, 575451, 596764, 660703, 767268, 895146, 1023024, 1150902, 1193528, 1321406, 1342719, 1534536, 1790292, 1982109, 2301804, 2387056, 2642812, 2685438, 3069072, 3580584, 3964218, 4028157, 4603608, 4624921, 5285624, 5370876, 5946327, 7161168, 7928436, 8056314, 9207216, 9249842, 10571248, 10741752, 11892654, 13874763, 15856872, 16112628, 17838981, 18499684, 21483504, 23785308, 27749526, 31713744, 32225256, 35677962, 36999368, 41624289, 47570616, 55499052, 64450512, 71355924, 73998736, 83248578, 95141232, 110998104, 124872867, 142711848, 166497156, 221996208, 249745734, 285423696, 332994312, 499491468, 665988624, 998982936, 1997965872]

約数ペア:

[(1, 1997965872), (2, 998982936), (3, 665988624), (4, 499491468), (6, 332994312), (7, 285423696), (8, 249745734), (9, 221996208), (12, 166497156), (14, 142711848), (16, 124872867), (18, 110998104), (21, 95141232), (24, 83248578), (27, 73998736), (28, 71355924), (31, 64450512), (36, 55499052), (42, 47570616), (48, 41624289), (54, 36999368), (56, 35677962), (62, 32225256), (63, 31713744), (72, 27749526), (84, 23785308), (93, 21483504), (108, 18499684), (112, 17838981), (124, 16112628), (126, 15856872), (144, 13874763), (168, 11892654), (186, 10741752), (189, 10571248), (216, 9249842), (217, 9207216), (248, 8056314), (252, 7928436), (279, 7161168), (336, 5946327), (372, 5370876), (378, 5285624), (432, 4624921), (434, 4603608), (496, 4028157), (504, 3964218), (558, 3580584), (651, 3069072), (744, 2685438), (756, 2642812), (837, 2387056), (868, 2301804), (1008, 1982109), (1116, 1790292), (1302, 1534536), (1488, 1342719), (1512, 1321406), (1674, 1193528), (1736, 1150902), (1953, 1023024), (2232, 895146), (2604, 767268), (3024, 660703), (3348, 596764), (3472, 575451), (3906, 511512), (4464, 447573), (5208, 383634), (5859, 341008), (6696, 298382), (7812, 255756), (10416, 191817), (11718, 170504), (13392, 149191), (15624, 127878), (21313, 93744), (23436, 85252), (31248, 63939), (42626, 46872)]