81390890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1162727}}^1$

素因数の和:1162741

約数の個数: 16

約数和(自身を含む): 167432832

約数和(自身を除く): 86041942

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1162727, 2325454, 5813635, 8139089, 11627270, 16278178, 40695445, 81390890]

約数ペア:

[(1, 81390890), (2, 40695445), (5, 16278178), (7, 11627270), (10, 8139089), (14, 5813635), (35, 2325454), (70, 1162727)]