2103447775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{8287}}^1$

素因数の和:8392

約数の個数: 48

約数和(自身を含む): 3107801088

約数和(自身を除く): 1004353313

約数列:

[1, 5, 11, 13, 25, 55, 65, 71, 143, 275, 325, 355, 715, 781, 923, 1775, 3575, 3905, 4615, 8287, 10153, 19525, 23075, 41435, 50765, 91157, 107731, 207175, 253825, 455785, 538655, 588377, 1185041, 2278925, 2693275, 2941885, 5925205, 6472147, 7648901, 14709425, 29626025, 32360735, 38244505, 84137911, 161803675, 191222525, 420689555, 2103447775]

約数ペア:

[(1, 2103447775), (5, 420689555), (11, 191222525), (13, 161803675), (25, 84137911), (55, 38244505), (65, 32360735), (71, 29626025), (143, 14709425), (275, 7648901), (325, 6472147), (355, 5925205), (715, 2941885), (781, 2693275), (923, 2278925), (1775, 1185041), (3575, 588377), (3905, 538655), (4615, 455785), (8287, 253825), (10153, 207175), (19525, 107731), (23075, 91157), (41435, 50765)]