16643408

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1423}}^1$

素因数の和:1491

約数の個数: 40

約数和(自身を含む): 34962048

約数和(自身を除く): 18318640

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 136, 172, 272, 344, 688, 731, 1423, 1462, 2846, 2924, 5692, 5848, 11384, 11696, 22768, 24191, 48382, 61189, 96764, 122378, 193528, 244756, 387056, 489512, 979024, 1040213, 2080426, 4160852, 8321704, 16643408]

約数ペア:

[(1, 16643408), (2, 8321704), (4, 4160852), (8, 2080426), (16, 1040213), (17, 979024), (34, 489512), (43, 387056), (68, 244756), (86, 193528), (136, 122378), (172, 96764), (272, 61189), (344, 48382), (688, 24191), (731, 22768), (1423, 11696), (1462, 11384), (2846, 5848), (2924, 5692)]