78674390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{3821}}^1$

素因数の和:3928

約数の個数: 32

約数和(自身を含む): 148599360

約数和(自身を除く): 69924970

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 710, 2059, 3821, 4118, 7642, 10295, 19105, 20590, 38210, 110809, 221618, 271291, 542582, 554045, 1108090, 1356455, 2712910, 7867439, 15734878, 39337195, 78674390]

約数ペア:

[(1, 78674390), (2, 39337195), (5, 15734878), (10, 7867439), (29, 2712910), (58, 1356455), (71, 1108090), (142, 554045), (145, 542582), (290, 271291), (355, 221618), (710, 110809), (2059, 38210), (3821, 20590), (4118, 19105), (7642, 10295)]