639049944

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{49957}}^1$

素因数の和:50020

約数の個数: 64

約数和(自身を含む): 1762518240

約数和(自身を除く): 1123468296

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 41, 52, 78, 82, 104, 123, 156, 164, 246, 312, 328, 492, 533, 984, 1066, 1599, 2132, 3198, 4264, 6396, 12792, 49957, 99914, 149871, 199828, 299742, 399656, 599484, 649441, 1198968, 1298882, 1948323, 2048237, 2597764, 3896646, 4096474, 5195528, 6144711, 7793292, 8192948, 12289422, 15586584, 16385896, 24578844, 26627081, 49157688, 53254162, 79881243, 106508324, 159762486, 213016648, 319524972, 639049944]

約数ペア:

[(1, 639049944), (2, 319524972), (3, 213016648), (4, 159762486), (6, 106508324), (8, 79881243), (12, 53254162), (13, 49157688), (24, 26627081), (26, 24578844), (39, 16385896), (41, 15586584), (52, 12289422), (78, 8192948), (82, 7793292), (104, 6144711), (123, 5195528), (156, 4096474), (164, 3896646), (246, 2597764), (312, 2048237), (328, 1948323), (492, 1298882), (533, 1198968), (984, 649441), (1066, 599484), (1599, 399656), (2132, 299742), (3198, 199828), (4264, 149871), (6396, 99914), (12792, 49957)]