28432852175

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{31481}}^1$

素因数の和:31908

約数の個数: 48

約数和(自身を含む): 43503590592

約数和(自身を除く): 15070738417

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 397, 455, 1985, 2275, 2779, 5161, 9925, 13895, 25805, 31481, 36127, 69475, 129025, 157405, 180635, 220367, 409253, 787025, 903175, 1101835, 2046265, 2864771, 5509175, 10231325, 12497957, 14323855, 62489785, 71619275, 87485699, 162473441, 312448925, 437428495, 812367205, 1137314087, 2187142475, 4061836025, 5686570435, 28432852175]

約数ペア:

[(1, 28432852175), (5, 5686570435), (7, 4061836025), (13, 2187142475), (25, 1137314087), (35, 812367205), (65, 437428495), (91, 312448925), (175, 162473441), (325, 87485699), (397, 71619275), (455, 62489785), (1985, 14323855), (2275, 12497957), (2779, 10231325), (5161, 5509175), (9925, 2864771), (13895, 2046265), (25805, 1101835), (31481, 903175), (36127, 787025), (69475, 409253), (129025, 220367), (157405, 180635)]