221660710

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{1423}}^1$

素因数の和:1888

約数の個数: 32

約数和(自身を含む): 411034752

約数和(自身を除く): 189374042

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 421, 842, 1423, 2105, 2846, 4210, 7115, 14230, 15577, 31154, 52651, 77885, 105302, 155770, 263255, 526510, 599083, 1198166, 2995415, 5990830, 22166071, 44332142, 110830355, 221660710]

約数ペア:

[(1, 221660710), (2, 110830355), (5, 44332142), (10, 22166071), (37, 5990830), (74, 2995415), (185, 1198166), (370, 599083), (421, 526510), (842, 263255), (1423, 155770), (2105, 105302), (2846, 77885), (4210, 52651), (7115, 31154), (14230, 15577)]