1987156344

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1\times {\mathrm{317}}^1$

素因数の和:637

約数の個数: 128

約数和(自身を含む): 5357664000

約数和(自身を除く): 3370507656

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 59, 76, 114, 118, 152, 177, 228, 233, 236, 317, 354, 456, 466, 472, 634, 699, 708, 932, 951, 1121, 1268, 1398, 1416, 1864, 1902, 2242, 2536, 2796, 3363, 3804, 4427, 4484, 5592, 6023, 6726, 7608, 8854, 8968, 12046, 13281, 13452, 13747, 17708, 18069, 18703, 24092, 26562, 26904, 27494, 35416, 36138, 37406, 41241, 48184, 53124, 54988, 56109, 72276, 73861, 74812, 82482, 106248, 109976, 112218, 144552, 147722, 149624, 164964, 221583, 224436, 261193, 295444, 329928, 355357, 443166, 448872, 522386, 590888, 710714, 783579, 886332, 1044772, 1066071, 1403359, 1421428, 1567158, 1772664, 2089544, 2132142, 2806718, 2842856, 3134316, 4210077, 4264284, 4357799, 5613436, 6268632, 8420154, 8528568, 8715598, 11226872, 13073397, 16840308, 17431196, 26146794, 33680616, 34862392, 52293588, 82798181, 104587176, 165596362, 248394543, 331192724, 496789086, 662385448, 993578172, 1987156344]

約数ペア:

[(1, 1987156344), (2, 993578172), (3, 662385448), (4, 496789086), (6, 331192724), (8, 248394543), (12, 165596362), (19, 104587176), (24, 82798181), (38, 52293588), (57, 34862392), (59, 33680616), (76, 26146794), (114, 17431196), (118, 16840308), (152, 13073397), (177, 11226872), (228, 8715598), (233, 8528568), (236, 8420154), (317, 6268632), (354, 5613436), (456, 4357799), (466, 4264284), (472, 4210077), (634, 3134316), (699, 2842856), (708, 2806718), (932, 2132142), (951, 2089544), (1121, 1772664), (1268, 1567158), (1398, 1421428), (1416, 1403359), (1864, 1066071), (1902, 1044772), (2242, 886332), (2536, 783579), (2796, 710714), (3363, 590888), (3804, 522386), (4427, 448872), (4484, 443166), (5592, 355357), (6023, 329928), (6726, 295444), (7608, 261193), (8854, 224436), (8968, 221583), (12046, 164964), (13281, 149624), (13452, 147722), (13747, 144552), (17708, 112218), (18069, 109976), (18703, 106248), (24092, 82482), (26562, 74812), (26904, 73861), (27494, 72276), (35416, 56109), (36138, 54988), (37406, 53124), (41241, 48184)]