644980147216

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{6917}}^1\times {\mathrm{41927}}^1$

素因数の和:48991

約数の個数: 40

約数和(自身を含む): 1258851303360

約数和(自身を除く): 613871156144

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 6917, 13834, 27668, 41927, 55336, 83854, 110672, 167708, 335416, 670832, 961463, 1922926, 3845852, 5827853, 7691704, 11655706, 15383408, 23311412, 46622824, 93245648, 290009059, 580018118, 1160036236, 2320072472, 4640144944, 40311259201, 80622518402, 161245036804, 322490073608, 644980147216]

約数ペア:

[(1, 644980147216), (2, 322490073608), (4, 161245036804), (8, 80622518402), (16, 40311259201), (139, 4640144944), (278, 2320072472), (556, 1160036236), (1112, 580018118), (2224, 290009059), (6917, 93245648), (13834, 46622824), (27668, 23311412), (41927, 15383408), (55336, 11655706), (83854, 7691704), (110672, 5827853), (167708, 3845852), (335416, 1922926), (670832, 961463)]