1407211990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{77447}}^1$

素因数の和:77556

約数の個数: 32

約数和(自身を含む): 2676602880

約数和(自身を除く): 1269390890

約数列:

[1, 2, 5, 10, 23, 46, 79, 115, 158, 230, 395, 790, 1817, 3634, 9085, 18170, 77447, 154894, 387235, 774470, 1781281, 3562562, 6118313, 8906405, 12236626, 17812810, 30591565, 61183130, 140721199, 281442398, 703605995, 1407211990]

約数ペア:

[(1, 1407211990), (2, 703605995), (5, 281442398), (10, 140721199), (23, 61183130), (46, 30591565), (79, 17812810), (115, 12236626), (158, 8906405), (230, 6118313), (395, 3562562), (790, 1781281), (1817, 774470), (3634, 387235), (9085, 154894), (18170, 77447)]