394880135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{6803}}^1$

素因数の和:6887

約数の個数: 32

約数和(自身を含む): 548674560

約数和(自身を除く): 153794425

約数列:

[1, 5, 13, 19, 47, 65, 95, 235, 247, 611, 893, 1235, 3055, 4465, 6803, 11609, 34015, 58045, 88439, 129257, 319741, 442195, 646285, 1598705, 1680341, 4156633, 6075079, 8401705, 20783165, 30375395, 78976027, 394880135]

約数ペア:

[(1, 394880135), (5, 78976027), (13, 30375395), (19, 20783165), (47, 8401705), (65, 6075079), (95, 4156633), (235, 1680341), (247, 1598705), (611, 646285), (893, 442195), (1235, 319741), (3055, 129257), (4465, 88439), (6803, 58045), (11609, 34015)]