81768764

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{265483}}^1$

素因数の和:265505

約数の個数: 24

約数和(自身を含む): 178405248

約数和(自身を除く): 96636484

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 265483, 530966, 1061932, 1858381, 2920313, 3716762, 5840626, 7433524, 11681252, 20442191, 40884382, 81768764]

約数ペア:

[(1, 81768764), (2, 40884382), (4, 20442191), (7, 11681252), (11, 7433524), (14, 5840626), (22, 3716762), (28, 2920313), (44, 1858381), (77, 1061932), (154, 530966), (308, 265483)]