161005988

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{25589}}^1$

素因数の和:25628

約数の個数: 36

約数和(自身を含む): 333540060

約数和(自身を除く): 172534072

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 484, 572, 1573, 3146, 6292, 25589, 51178, 102356, 281479, 332657, 562958, 665314, 1125916, 1330628, 3096269, 3659227, 6192538, 7318454, 12385076, 14636908, 40251497, 80502994, 161005988]

約数ペア:

[(1, 161005988), (2, 80502994), (4, 40251497), (11, 14636908), (13, 12385076), (22, 7318454), (26, 6192538), (44, 3659227), (52, 3096269), (121, 1330628), (143, 1125916), (242, 665314), (286, 562958), (484, 332657), (572, 281479), (1573, 102356), (3146, 51178), (6292, 25589)]