123998728

素因数分解:

$2^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{11593}}^1$

素因数の和:11797

約数の個数: 32

約数和(自身を含む): 267125760

約数和(自身を除く): 143127032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 191, 382, 764, 1337, 1528, 2674, 5348, 10696, 11593, 23186, 46372, 81151, 92744, 162302, 324604, 649208, 2214263, 4428526, 8857052, 15499841, 17714104, 30999682, 61999364, 123998728]

約数ペア:

[(1, 123998728), (2, 61999364), (4, 30999682), (7, 17714104), (8, 15499841), (14, 8857052), (28, 4428526), (56, 2214263), (191, 649208), (382, 324604), (764, 162302), (1337, 92744), (1528, 81151), (2674, 46372), (5348, 23186), (10696, 11593)]