640180806

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{15583}}^1$

素因数の和:15796

約数の個数: 32

約数和(自身を含む): 1319528448

約数和(自身を除く): 679347642

約数列:

[1, 2, 3, 6, 41, 82, 123, 167, 246, 334, 501, 1002, 6847, 13694, 15583, 20541, 31166, 41082, 46749, 93498, 638903, 1277806, 1916709, 2602361, 3833418, 5204722, 7807083, 15614166, 106696801, 213393602, 320090403, 640180806]

約数ペア:

[(1, 640180806), (2, 320090403), (3, 213393602), (6, 106696801), (41, 15614166), (82, 7807083), (123, 5204722), (167, 3833418), (246, 2602361), (334, 1916709), (501, 1277806), (1002, 638903), (6847, 93498), (13694, 46749), (15583, 41082), (20541, 31166)]