138374456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{22147}}^1$

素因数の和:22235

約数の個数: 32

約数和(自身を含む): 287038080

約数和(自身を除く): 148663624

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 6248, 22147, 44294, 88588, 177176, 243617, 487234, 974468, 1572437, 1948936, 3144874, 6289748, 12579496, 17296807, 34593614, 69187228, 138374456]

約数ペア:

[(1, 138374456), (2, 69187228), (4, 34593614), (8, 17296807), (11, 12579496), (22, 6289748), (44, 3144874), (71, 1948936), (88, 1572437), (142, 974468), (284, 487234), (568, 243617), (781, 177176), (1562, 88588), (3124, 44294), (6248, 22147)]