489660808

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1291}}^1$

素因数の和:1838

約数の個数: 64

約数和(自身を含む): 1133032320

約数和(自身を除く): 643371512

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 521, 728, 1042, 1291, 2084, 2582, 3647, 4168, 5164, 6773, 7294, 9037, 10328, 13546, 14588, 16783, 18074, 27092, 29176, 33566, 36148, 47411, 54184, 67132, 72296, 94822, 117481, 134264, 189644, 234962, 379288, 469924, 672611, 939848, 1345222, 2690444, 4708277, 5380888, 8743943, 9416554, 17487886, 18833108, 34975772, 37666216, 61207601, 69951544, 122415202, 244830404, 489660808]

約数ペア:

[(1, 489660808), (2, 244830404), (4, 122415202), (7, 69951544), (8, 61207601), (13, 37666216), (14, 34975772), (26, 18833108), (28, 17487886), (52, 9416554), (56, 8743943), (91, 5380888), (104, 4708277), (182, 2690444), (364, 1345222), (521, 939848), (728, 672611), (1042, 469924), (1291, 379288), (2084, 234962), (2582, 189644), (3647, 134264), (4168, 117481), (5164, 94822), (6773, 72296), (7294, 67132), (9037, 54184), (10328, 47411), (13546, 36148), (14588, 33566), (16783, 29176), (18074, 27092)]