256044984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{820657}}^1$

素因数の和:820679

約数の個数: 32

約数和(自身を含む): 689352720

約数和(自身を除く): 433307736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 820657, 1641314, 2461971, 3282628, 4923942, 6565256, 9847884, 10668541, 19695768, 21337082, 32005623, 42674164, 64011246, 85348328, 128022492, 256044984]

約数ペア:

[(1, 256044984), (2, 128022492), (3, 85348328), (4, 64011246), (6, 42674164), (8, 32005623), (12, 21337082), (13, 19695768), (24, 10668541), (26, 9847884), (39, 6565256), (52, 4923942), (78, 3282628), (104, 2461971), (156, 1641314), (312, 820657)]