17978321690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{4397}}^1\times {\mathrm{58411}}^1$

素因数の和:62822

約数の個数: 32

約数和(自身を含む): 36993020544

約数和(自身を除く): 19014698854

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 4397, 8794, 21985, 30779, 43970, 58411, 61558, 116822, 153895, 292055, 307790, 408877, 584110, 817754, 2044385, 4088770, 256833167, 513666334, 1284165835, 1797832169, 2568331670, 3595664338, 8989160845, 17978321690]

約数ペア:

[(1, 17978321690), (2, 8989160845), (5, 3595664338), (7, 2568331670), (10, 1797832169), (14, 1284165835), (35, 513666334), (70, 256833167), (4397, 4088770), (8794, 2044385), (21985, 817754), (30779, 584110), (43970, 408877), (58411, 307790), (61558, 292055), (116822, 153895)]