69890018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2741}}^1$

素因数の和:2834

約数の個数: 32

約数和(自身を含む): 122402880

約数和(自身を除く): 52512862

約数列:

[1, 2, 11, 19, 22, 38, 61, 122, 209, 418, 671, 1159, 1342, 2318, 2741, 5482, 12749, 25498, 30151, 52079, 60302, 104158, 167201, 334402, 572869, 1145738, 1839211, 3176819, 3678422, 6353638, 34945009, 69890018]

約数ペア:

[(1, 69890018), (2, 34945009), (11, 6353638), (19, 3678422), (22, 3176819), (38, 1839211), (61, 1145738), (122, 572869), (209, 334402), (418, 167201), (671, 104158), (1159, 60302), (1342, 52079), (2318, 30151), (2741, 25498), (5482, 12749)]