81619876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{18911}}^1$

素因数の和:19011

約数の個数: 24

約数和(自身を含む): 155683584

約数和(自身を除く): 74063708

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 2158, 4316, 18911, 37822, 75644, 245843, 491686, 983372, 1569613, 3139226, 6278452, 20404969, 40809938, 81619876]

約数ペア:

[(1, 81619876), (2, 40809938), (4, 20404969), (13, 6278452), (26, 3139226), (52, 1569613), (83, 983372), (166, 491686), (332, 245843), (1079, 75644), (2158, 37822), (4316, 18911)]