255654984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{819407}}^1$

素因数の和:819429

約数の個数: 32

約数和(自身を含む): 688302720

約数和(自身を除く): 432647736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 819407, 1638814, 2458221, 3277628, 4916442, 6555256, 9832884, 10652291, 19665768, 21304582, 31956873, 42609164, 63913746, 85218328, 127827492, 255654984]

約数ペア:

[(1, 255654984), (2, 127827492), (3, 85218328), (4, 63913746), (6, 42609164), (8, 31956873), (12, 21304582), (13, 19665768), (24, 10652291), (26, 9832884), (39, 6555256), (52, 4916442), (78, 3277628), (104, 2458221), (156, 1638814), (312, 819407)]