81251830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{2521}}^1$

素因数の和:2832

約数の個数: 32

約数和(自身を含む): 160157088

約数和(自身を除く): 78905258

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 293, 586, 1465, 2521, 2930, 3223, 5042, 6446, 12605, 16115, 25210, 27731, 32230, 55462, 138655, 277310, 738653, 1477306, 3693265, 7386530, 8125183, 16250366, 40625915, 81251830]

約数ペア:

[(1, 81251830), (2, 40625915), (5, 16250366), (10, 8125183), (11, 7386530), (22, 3693265), (55, 1477306), (110, 738653), (293, 277310), (586, 138655), (1465, 55462), (2521, 32230), (2930, 27731), (3223, 25210), (5042, 16115), (6446, 12605)]