1623173890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{2089}}^1$

素因数の和:2291

約数の個数: 64

約数和(自身を含む): 3244348800

約数和(自身を除く): 1621174910

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 139, 215, 278, 430, 559, 695, 1118, 1390, 1807, 2089, 2795, 3614, 4178, 5590, 5977, 9035, 10445, 11954, 18070, 20890, 27157, 29885, 54314, 59770, 77701, 89827, 135785, 155402, 179654, 271570, 290371, 388505, 449135, 580742, 777010, 898270, 1167751, 1451855, 2335502, 2903710, 3774823, 5838755, 7549646, 11677510, 12485953, 18874115, 24971906, 37748230, 62429765, 124859530, 162317389, 324634778, 811586945, 1623173890]

約数ペア:

[(1, 1623173890), (2, 811586945), (5, 324634778), (10, 162317389), (13, 124859530), (26, 62429765), (43, 37748230), (65, 24971906), (86, 18874115), (130, 12485953), (139, 11677510), (215, 7549646), (278, 5838755), (430, 3774823), (559, 2903710), (695, 2335502), (1118, 1451855), (1390, 1167751), (1807, 898270), (2089, 777010), (2795, 580742), (3614, 449135), (4178, 388505), (5590, 290371), (5977, 271570), (9035, 179654), (10445, 155402), (11954, 135785), (18070, 89827), (20890, 77701), (27157, 59770), (29885, 54314)]