917559838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{21611}}^1$

素因数の和:21720

約数の個数: 32

約数和(自身を含む): 1568512512

約数和(自身を除く): 650952674

約数列:

[1, 2, 13, 23, 26, 46, 71, 142, 299, 598, 923, 1633, 1846, 3266, 21229, 21611, 42458, 43222, 280943, 497053, 561886, 994106, 1534381, 3068762, 6461689, 12923378, 19946953, 35290763, 39893906, 70581526, 458779919, 917559838]

約数ペア:

[(1, 917559838), (2, 458779919), (13, 70581526), (23, 39893906), (26, 35290763), (46, 19946953), (71, 12923378), (142, 6461689), (299, 3068762), (598, 1534381), (923, 994106), (1633, 561886), (1846, 497053), (3266, 280943), (21229, 43222), (21611, 42458)]