641056

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:113

約数の個数: 48

約数和(自身を含む): 1439424

約数和(自身を除く): 798368

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 67, 92, 104, 134, 184, 208, 268, 299, 368, 416, 536, 598, 736, 871, 1072, 1196, 1541, 1742, 2144, 2392, 3082, 3484, 4784, 6164, 6968, 9568, 12328, 13936, 20033, 24656, 27872, 40066, 49312, 80132, 160264, 320528, 641056]

約数ペア:

[(1, 641056), (2, 320528), (4, 160264), (8, 80132), (13, 49312), (16, 40066), (23, 27872), (26, 24656), (32, 20033), (46, 13936), (52, 12328), (67, 9568), (92, 6968), (104, 6164), (134, 4784), (184, 3484), (208, 3082), (268, 2392), (299, 2144), (368, 1742), (416, 1541), (536, 1196), (598, 1072), (736, 871)]