3989024

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 8692992

約数和(自身を除く): 4703968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 223, 344, 416, 446, 559, 688, 892, 1118, 1376, 1784, 2236, 2899, 3568, 4472, 5798, 7136, 8944, 9589, 11596, 17888, 19178, 23192, 38356, 46384, 76712, 92768, 124657, 153424, 249314, 306848, 498628, 997256, 1994512, 3989024]

約数ペア:

[(1, 3989024), (2, 1994512), (4, 997256), (8, 498628), (13, 306848), (16, 249314), (26, 153424), (32, 124657), (43, 92768), (52, 76712), (86, 46384), (104, 38356), (172, 23192), (208, 19178), (223, 17888), (344, 11596), (416, 9589), (446, 8944), (559, 7136), (688, 5798), (892, 4472), (1118, 3568), (1376, 2899), (1784, 2236)]