81889748

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{6113}}^1$

素因数の和:6331

約数の個数: 24

約数和(自身を含む): 152532072

約数和(自身を除く): 70642324

約数列:

[1, 2, 4, 17, 34, 68, 197, 394, 788, 3349, 6113, 6698, 12226, 13396, 24452, 103921, 207842, 415684, 1204261, 2408522, 4817044, 20472437, 40944874, 81889748]

約数ペア:

[(1, 81889748), (2, 40944874), (4, 20472437), (17, 4817044), (34, 2408522), (68, 1204261), (197, 415684), (394, 207842), (788, 103921), (3349, 24452), (6113, 13396), (6698, 12226)]