778873072

素因数分解:

$2^4\times {\mathrm{349}}^1\times {\mathrm{139483}}^1$

素因数の和:139840

約数の個数: 20

約数和(自身を含む): 1513401400

約数和(自身を除く): 734528328

約数列:

[1, 2, 4, 8, 16, 349, 698, 1396, 2792, 5584, 139483, 278966, 557932, 1115864, 2231728, 48679567, 97359134, 194718268, 389436536, 778873072]

約数ペア:

[(1, 778873072), (2, 389436536), (4, 194718268), (8, 97359134), (16, 48679567), (349, 2231728), (698, 1115864), (1396, 557932), (2792, 278966), (5584, 139483)]