157680985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{17807}}^1$

素因数の和:17853

約数の個数: 32

約数和(自身を含む): 246177792

約数和(自身を除く): 88496807

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 8855, 17807, 89035, 124649, 195877, 409561, 623245, 979385, 1371139, 2047805, 2866927, 4505171, 6855695, 14334635, 22525855, 31536197, 157680985]

約数ペア:

[(1, 157680985), (5, 31536197), (7, 22525855), (11, 14334635), (23, 6855695), (35, 4505171), (55, 2866927), (77, 2047805), (115, 1371139), (161, 979385), (253, 623245), (385, 409561), (805, 195877), (1265, 124649), (1771, 89035), (8855, 17807)]