257870576

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{2467}}^1$

素因数の和:2661

約数の個数: 40

約数和(自身を含む): 514133760

約数和(自身を除く): 256263184

約数列:

[1, 2, 4, 8, 16, 47, 94, 139, 188, 278, 376, 556, 752, 1112, 2224, 2467, 4934, 6533, 9868, 13066, 19736, 26132, 39472, 52264, 104528, 115949, 231898, 342913, 463796, 685826, 927592, 1371652, 1855184, 2743304, 5486608, 16116911, 32233822, 64467644, 128935288, 257870576]

約数ペア:

[(1, 257870576), (2, 128935288), (4, 64467644), (8, 32233822), (16, 16116911), (47, 5486608), (94, 2743304), (139, 1855184), (188, 1371652), (278, 927592), (376, 685826), (556, 463796), (752, 342913), (1112, 231898), (2224, 115949), (2467, 104528), (4934, 52264), (6533, 39472), (9868, 26132), (13066, 19736)]