12890735

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:200

約数の個数: 32

約数和(自身を含む): 18446400

約数和(自身を除く): 5555665

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 149, 605, 715, 745, 1331, 1573, 1639, 1937, 6655, 7865, 8195, 9685, 17303, 18029, 21307, 86515, 90145, 106535, 198319, 234377, 991595, 1171885, 2578147, 12890735]

約数ペア:

[(1, 12890735), (5, 2578147), (11, 1171885), (13, 991595), (55, 234377), (65, 198319), (121, 106535), (143, 90145), (149, 86515), (605, 21307), (715, 18029), (745, 17303), (1331, 9685), (1573, 8195), (1639, 7865), (1937, 6655)]