217618884

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:450

約数の個数: 144

約数和(自身を含む): 658344960

約数和(自身を除く): 440726076

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 89, 93, 124, 126, 178, 186, 217, 252, 267, 279, 313, 356, 372, 434, 534, 558, 623, 626, 651, 801, 868, 939, 1068, 1116, 1246, 1252, 1302, 1602, 1869, 1878, 1953, 2191, 2492, 2604, 2759, 2817, 3204, 3738, 3756, 3906, 4382, 5518, 5607, 5634, 6573, 7476, 7812, 8277, 8764, 9703, 11036, 11214, 11268, 13146, 16554, 19313, 19406, 19719, 22428, 24831, 26292, 27857, 29109, 33108, 38626, 38812, 39438, 49662, 55714, 57939, 58218, 67921, 77252, 78876, 83571, 87327, 99324, 111428, 115878, 116436, 135842, 167142, 173817, 174654, 194999, 203763, 231756, 250713, 271684, 334284, 347634, 349308, 389998, 407526, 501426, 584997, 611289, 695268, 779996, 815052, 863567, 1002852, 1169994, 1222578, 1727134, 1754991, 2339988, 2445156, 2590701, 3454268, 3509982, 5181402, 6044969, 7019964, 7772103, 10362804, 12089938, 15544206, 18134907, 24179876, 31088412, 36269814, 54404721, 72539628, 108809442, 217618884]

約数ペア:

[(1, 217618884), (2, 108809442), (3, 72539628), (4, 54404721), (6, 36269814), (7, 31088412), (9, 24179876), (12, 18134907), (14, 15544206), (18, 12089938), (21, 10362804), (28, 7772103), (31, 7019964), (36, 6044969), (42, 5181402), (62, 3509982), (63, 3454268), (84, 2590701), (89, 2445156), (93, 2339988), (124, 1754991), (126, 1727134), (178, 1222578), (186, 1169994), (217, 1002852), (252, 863567), (267, 815052), (279, 779996), (313, 695268), (356, 611289), (372, 584997), (434, 501426), (534, 407526), (558, 389998), (623, 349308), (626, 347634), (651, 334284), (801, 271684), (868, 250713), (939, 231756), (1068, 203763), (1116, 194999), (1246, 174654), (1252, 173817), (1302, 167142), (1602, 135842), (1869, 116436), (1878, 115878), (1953, 111428), (2191, 99324), (2492, 87327), (2604, 83571), (2759, 78876), (2817, 77252), (3204, 67921), (3738, 58218), (3756, 57939), (3906, 55714), (4382, 49662), (5518, 39438), (5607, 38812), (5634, 38626), (6573, 33108), (7476, 29109), (7812, 27857), (8277, 26292), (8764, 24831), (9703, 22428), (11036, 19719), (11214, 19406), (11268, 19313), (13146, 16554)]