86976890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8689}}^1$

素因数の和:8727

約数の個数: 64

約数和(自身を含む): 210228480

約数和(自身を除く): 123251590

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 5005, 8689, 10010, 17378, 43445, 60823, 86890, 95579, 112957, 121646, 191158, 225914, 304115, 477895, 564785, 608230, 669053, 790699, 955790, 1129570, 1242527, 1338106, 1581398, 2485054, 3345265, 3953495, 6212635, 6690530, 7906990, 8697689, 12425270, 17395378, 43488445, 86976890]

約数ペア:

[(1, 86976890), (2, 43488445), (5, 17395378), (7, 12425270), (10, 8697689), (11, 7906990), (13, 6690530), (14, 6212635), (22, 3953495), (26, 3345265), (35, 2485054), (55, 1581398), (65, 1338106), (70, 1242527), (77, 1129570), (91, 955790), (110, 790699), (130, 669053), (143, 608230), (154, 564785), (182, 477895), (286, 304115), (385, 225914), (455, 191158), (715, 121646), (770, 112957), (910, 95579), (1001, 86890), (1430, 60823), (2002, 43445), (5005, 17378), (8689, 10010)]