8661290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1109}}^1$

素因数の和:1198

約数の個数: 32

約数和(自身を含む): 17262720

約数和(自身を除く): 8601430

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1109, 1562, 2218, 3905, 5545, 7810, 11090, 12199, 24398, 60995, 78739, 121990, 157478, 393695, 787390, 866129, 1732258, 4330645, 8661290]

約数ペア:

[(1, 8661290), (2, 4330645), (5, 1732258), (10, 866129), (11, 787390), (22, 393695), (55, 157478), (71, 121990), (110, 78739), (142, 60995), (355, 24398), (710, 12199), (781, 11090), (1109, 7810), (1562, 5545), (2218, 3905)]