81865028

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2459}}^1$

素因数の和:2540

約数の個数: 48

約数和(自身を含む): 173577600

約数和(自身を除く): 91712572

約数列:

[1, 2, 4, 7, 14, 28, 29, 41, 58, 82, 116, 164, 203, 287, 406, 574, 812, 1148, 1189, 2378, 2459, 4756, 4918, 8323, 9836, 16646, 17213, 33292, 34426, 68852, 71311, 100819, 142622, 201638, 285244, 403276, 499177, 705733, 998354, 1411466, 1996708, 2822932, 2923751, 5847502, 11695004, 20466257, 40932514, 81865028]

約数ペア:

[(1, 81865028), (2, 40932514), (4, 20466257), (7, 11695004), (14, 5847502), (28, 2923751), (29, 2822932), (41, 1996708), (58, 1411466), (82, 998354), (116, 705733), (164, 499177), (203, 403276), (287, 285244), (406, 201638), (574, 142622), (812, 100819), (1148, 71311), (1189, 68852), (2378, 34426), (2459, 33292), (4756, 17213), (4918, 16646), (8323, 9836)]