15978848

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 33974640

約数和(自身を除く): 17995792

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 76, 82, 152, 164, 304, 328, 608, 641, 656, 779, 1282, 1312, 1558, 2564, 3116, 5128, 6232, 10256, 12179, 12464, 20512, 24358, 24928, 26281, 48716, 52562, 97432, 105124, 194864, 210248, 389728, 420496, 499339, 840992, 998678, 1997356, 3994712, 7989424, 15978848]

約数ペア:

[(1, 15978848), (2, 7989424), (4, 3994712), (8, 1997356), (16, 998678), (19, 840992), (32, 499339), (38, 420496), (41, 389728), (76, 210248), (82, 194864), (152, 105124), (164, 97432), (304, 52562), (328, 48716), (608, 26281), (641, 24928), (656, 24358), (779, 20512), (1282, 12464), (1312, 12179), (1558, 10256), (2564, 6232), (3116, 5128)]