66703984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{3719}}^1$

素因数の和:3805

約数の個数: 40

約数和(自身を含む): 138384000

約数和(自身を除く): 71680016

約数列:

[1, 2, 4, 8, 16, 19, 38, 59, 76, 118, 152, 236, 304, 472, 944, 1121, 2242, 3719, 4484, 7438, 8968, 14876, 17936, 29752, 59504, 70661, 141322, 219421, 282644, 438842, 565288, 877684, 1130576, 1755368, 3510736, 4168999, 8337998, 16675996, 33351992, 66703984]

約数ペア:

[(1, 66703984), (2, 33351992), (4, 16675996), (8, 8337998), (16, 4168999), (19, 3510736), (38, 1755368), (59, 1130576), (76, 877684), (118, 565288), (152, 438842), (236, 282644), (304, 219421), (472, 141322), (944, 70661), (1121, 59504), (2242, 29752), (3719, 17936), (4484, 14876), (7438, 8968)]