2051222305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{3779}}^1$

素因数の和:4005

約数の個数: 32

約数和(自身を含む): 2743372800

約数和(自身を除く): 692150495

約数列:

[1, 5, 11, 55, 71, 139, 355, 695, 781, 1529, 3779, 3905, 7645, 9869, 18895, 41569, 49345, 108559, 207845, 268309, 525281, 542795, 1341545, 2626405, 2951399, 5778091, 14756995, 28890455, 37294951, 186474755, 410244461, 2051222305]

約数ペア:

[(1, 2051222305), (5, 410244461), (11, 186474755), (55, 37294951), (71, 28890455), (139, 14756995), (355, 5778091), (695, 2951399), (781, 2626405), (1529, 1341545), (3779, 542795), (3905, 525281), (7645, 268309), (9869, 207845), (18895, 108559), (41569, 49345)]