81738510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{389231}}^1$

素因数の和:389248

約数の個数: 32

約数和(自身を含む): 224197632

約数和(自身を除く): 142459122

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 389231, 778462, 1167693, 1946155, 2335386, 2724617, 3892310, 5449234, 5838465, 8173851, 11676930, 13623085, 16347702, 27246170, 40869255, 81738510]

約数ペア:

[(1, 81738510), (2, 40869255), (3, 27246170), (5, 16347702), (6, 13623085), (7, 11676930), (10, 8173851), (14, 5838465), (15, 5449234), (21, 3892310), (30, 2724617), (35, 2335386), (42, 1946155), (70, 1167693), (105, 778462), (210, 389231)]