7777328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:429

約数の個数: 40

約数和(自身を含む): 16405200

約数和(自身を除く): 8627872

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 139, 208, 269, 278, 538, 556, 1076, 1112, 1807, 2152, 2224, 3497, 3614, 4304, 6994, 7228, 13988, 14456, 27976, 28912, 37391, 55952, 74782, 149564, 299128, 486083, 598256, 972166, 1944332, 3888664, 7777328]

約数ペア:

[(1, 7777328), (2, 3888664), (4, 1944332), (8, 972166), (13, 598256), (16, 486083), (26, 299128), (52, 149564), (104, 74782), (139, 55952), (208, 37391), (269, 28912), (278, 27976), (538, 14456), (556, 13988), (1076, 7228), (1112, 6994), (1807, 4304), (2152, 3614), (2224, 3497)]