145379728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1087}}^1$

素因数の和:1751

約数の個数: 40

約数和(自身を含む): 304091648

約数和(自身を除く): 158711920

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 643, 1087, 1286, 2174, 2572, 4348, 5144, 8359, 8696, 10288, 14131, 16718, 17392, 28262, 33436, 56524, 66872, 113048, 133744, 226096, 698941, 1397882, 2795764, 5591528, 9086233, 11183056, 18172466, 36344932, 72689864, 145379728]

約数ペア:

[(1, 145379728), (2, 72689864), (4, 36344932), (8, 18172466), (13, 11183056), (16, 9086233), (26, 5591528), (52, 2795764), (104, 1397882), (208, 698941), (643, 226096), (1087, 133744), (1286, 113048), (2174, 66872), (2572, 56524), (4348, 33436), (5144, 28262), (8359, 17392), (8696, 16718), (10288, 14131)]