680976502

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1\times {\mathrm{433}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 1079930880

約数和(自身を除く): 398954378

約数列:

[1, 2, 23, 46, 179, 191, 358, 382, 433, 866, 4117, 4393, 8234, 8786, 9959, 19918, 34189, 68378, 77507, 82703, 155014, 165406, 786347, 1572694, 1782661, 1902169, 3565322, 3804338, 14803837, 29607674, 340488251, 680976502]

約数ペア:

[(1, 680976502), (2, 340488251), (23, 29607674), (46, 14803837), (179, 3804338), (191, 3565322), (358, 1902169), (382, 1782661), (433, 1572694), (866, 786347), (4117, 165406), (4393, 155014), (8234, 82703), (8786, 77507), (9959, 68378), (19918, 34189)]