287388530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{200971}}^1$

素因数の和:201002

約数の個数: 32

約数和(自身を含む): 607739328

約数和(自身を除く): 320350798

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 200971, 401942, 1004855, 2009710, 2210681, 2612623, 4421362, 5225246, 11053405, 13063115, 22106810, 26126230, 28738853, 57477706, 143694265, 287388530]

約数ペア:

[(1, 287388530), (2, 143694265), (5, 57477706), (10, 28738853), (11, 26126230), (13, 22106810), (22, 13063115), (26, 11053405), (55, 5225246), (65, 4421362), (110, 2612623), (130, 2210681), (143, 2009710), (286, 1004855), (715, 401942), (1430, 200971)]