256465512

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{27191}}^1$

素因数の和:27334

約数の個数: 48

約数和(自身を含む): 699922080

約数和(自身を除く): 443456568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2358, 3144, 4716, 9432, 27191, 54382, 81573, 108764, 163146, 217528, 244719, 326292, 489438, 652584, 978876, 1957752, 3562021, 7124042, 10686063, 14248084, 21372126, 28496168, 32058189, 42744252, 64116378, 85488504, 128232756, 256465512]

約数ペア:

[(1, 256465512), (2, 128232756), (3, 85488504), (4, 64116378), (6, 42744252), (8, 32058189), (9, 28496168), (12, 21372126), (18, 14248084), (24, 10686063), (36, 7124042), (72, 3562021), (131, 1957752), (262, 978876), (393, 652584), (524, 489438), (786, 326292), (1048, 244719), (1179, 217528), (1572, 163146), (2358, 108764), (3144, 81573), (4716, 54382), (9432, 27191)]