281567495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{2161}}^1$

素因数の和:2303

約数の個数: 32

約数和(自身を含む): 388537344

約数和(自身を除く): 106969849

約数列:

[1, 5, 11, 23, 55, 103, 115, 253, 515, 1133, 1265, 2161, 2369, 5665, 10805, 11845, 23771, 26059, 49703, 118855, 130295, 222583, 248515, 546733, 1112915, 2448413, 2733665, 5119409, 12242065, 25597045, 56313499, 281567495]

約数ペア:

[(1, 281567495), (5, 56313499), (11, 25597045), (23, 12242065), (55, 5119409), (103, 2733665), (115, 2448413), (253, 1112915), (515, 546733), (1133, 248515), (1265, 222583), (2161, 130295), (2369, 118855), (5665, 49703), (10805, 26059), (11845, 23771)]