81393830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{10867}}^1$

素因数の和:10988

約数の個数: 32

約数和(自身を含む): 169019136

約数和(自身を除く): 87625306

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 3745, 7490, 10867, 21734, 54335, 76069, 108670, 152138, 380345, 760690, 1162769, 2325538, 5813845, 8139383, 11627690, 16278766, 40696915, 81393830]

約数ペア:

[(1, 81393830), (2, 40696915), (5, 16278766), (7, 11627690), (10, 8139383), (14, 5813845), (35, 2325538), (70, 1162769), (107, 760690), (214, 380345), (535, 152138), (749, 108670), (1070, 76069), (1498, 54335), (3745, 21734), (7490, 10867)]