257107656

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{824063}}^1$

素因数の和:824085

約数の個数: 32

約数和(自身を含む): 692213760

約数和(自身を除く): 435106104

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 824063, 1648126, 2472189, 3296252, 4944378, 6592504, 9888756, 10712819, 19777512, 21425638, 32138457, 42851276, 64276914, 85702552, 128553828, 257107656]

約数ペア:

[(1, 257107656), (2, 128553828), (3, 85702552), (4, 64276914), (6, 42851276), (8, 32138457), (12, 21425638), (13, 19777512), (24, 10712819), (26, 9888756), (39, 6592504), (52, 4944378), (78, 3296252), (104, 2472189), (156, 1648126), (312, 824063)]