16667456

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 84

約数和(自身を含む): 37929312

約数和(自身を除く): 21261856

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 67, 92, 104, 134, 169, 184, 208, 268, 299, 338, 368, 416, 536, 598, 676, 736, 832, 871, 1072, 1196, 1352, 1472, 1541, 1742, 2144, 2392, 2704, 3082, 3484, 3887, 4288, 4784, 5408, 6164, 6968, 7774, 9568, 10816, 11323, 12328, 13936, 15548, 19136, 20033, 22646, 24656, 27872, 31096, 40066, 45292, 49312, 55744, 62192, 80132, 90584, 98624, 124384, 160264, 181168, 248768, 260429, 320528, 362336, 520858, 641056, 724672, 1041716, 1282112, 2083432, 4166864, 8333728, 16667456]

約数ペア:

[(1, 16667456), (2, 8333728), (4, 4166864), (8, 2083432), (13, 1282112), (16, 1041716), (23, 724672), (26, 641056), (32, 520858), (46, 362336), (52, 320528), (64, 260429), (67, 248768), (92, 181168), (104, 160264), (134, 124384), (169, 98624), (184, 90584), (208, 80132), (268, 62192), (299, 55744), (338, 49312), (368, 45292), (416, 40066), (536, 31096), (598, 27872), (676, 24656), (736, 22646), (832, 20033), (871, 19136), (1072, 15548), (1196, 13936), (1352, 12328), (1472, 11323), (1541, 10816), (1742, 9568), (2144, 7774), (2392, 6968), (2704, 6164), (3082, 5408), (3484, 4784), (3887, 4288)]