81629966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{487}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 141246720

約数和(自身を除く): 59616754

約数列:

[1, 2, 11, 19, 22, 38, 209, 401, 418, 487, 802, 974, 4411, 5357, 7619, 8822, 9253, 10714, 15238, 18506, 83809, 101783, 167618, 195287, 203566, 390574, 2148157, 3710453, 4296314, 7420906, 40814983, 81629966]

約数ペア:

[(1, 81629966), (2, 40814983), (11, 7420906), (19, 4296314), (22, 3710453), (38, 2148157), (209, 390574), (401, 203566), (418, 195287), (487, 167618), (802, 101783), (974, 83809), (4411, 18506), (5357, 15238), (7619, 10714), (8822, 9253)]