279668866

素因数分解:

$2^1\times {\mathrm{19}}^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:144

約数の個数: 40

約数和(自身を含む): 470458620

約数和(自身を除く): 190789754

約数列:

[1, 2, 19, 29, 37, 38, 58, 74, 361, 551, 703, 722, 1073, 1102, 1406, 2146, 6859, 10469, 13357, 13718, 20387, 20938, 26714, 40774, 130321, 198911, 253783, 260642, 387353, 397822, 507566, 774706, 3779309, 4821877, 7359707, 7558618, 9643754, 14719414, 139834433, 279668866]

約数ペア:

[(1, 279668866), (2, 139834433), (19, 14719414), (29, 9643754), (37, 7558618), (38, 7359707), (58, 4821877), (74, 3779309), (361, 774706), (551, 507566), (703, 397822), (722, 387353), (1073, 260642), (1102, 253783), (1406, 198911), (2146, 130321), (6859, 40774), (10469, 26714), (13357, 20938), (13718, 20387)]