81606044

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{1979}}^1$

素因数の和:2070

約数の個数: 36

約数和(自身を含む): 157255560

約数和(自身を除く): 75649516

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 169, 244, 338, 676, 793, 1586, 1979, 3172, 3958, 7916, 10309, 20618, 25727, 41236, 51454, 102908, 120719, 241438, 334451, 482876, 668902, 1337804, 1569347, 3138694, 6277388, 20401511, 40803022, 81606044]

約数ペア:

[(1, 81606044), (2, 40803022), (4, 20401511), (13, 6277388), (26, 3138694), (52, 1569347), (61, 1337804), (122, 668902), (169, 482876), (244, 334451), (338, 241438), (676, 120719), (793, 102908), (1586, 51454), (1979, 41236), (3172, 25727), (3958, 20618), (7916, 10309)]