128776544

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{309559}}^1$

素因数の和:309582

約数の個数: 24

約数和(自身を含む): 273031920

約数和(自身を除く): 144255376

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 309559, 619118, 1238236, 2476472, 4024267, 4952944, 8048534, 9905888, 16097068, 32194136, 64388272, 128776544]

約数ペア:

[(1, 128776544), (2, 64388272), (4, 32194136), (8, 16097068), (13, 9905888), (16, 8048534), (26, 4952944), (32, 4024267), (52, 2476472), (104, 1238236), (208, 619118), (416, 309559)]