231447775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 330541344

約数和(自身を除く): 99093569

約数列:

[1, 5, 13, 17, 25, 65, 85, 163, 221, 257, 325, 425, 815, 1105, 1285, 2119, 2771, 3341, 4075, 4369, 5525, 6425, 10595, 13855, 16705, 21845, 36023, 41891, 52975, 56797, 69275, 83525, 109225, 180115, 209455, 283985, 544583, 712147, 900575, 1047275, 1419925, 2722915, 3560735, 9257911, 13614575, 17803675, 46289555, 231447775]

約数ペア:

[(1, 231447775), (5, 46289555), (13, 17803675), (17, 13614575), (25, 9257911), (65, 3560735), (85, 2722915), (163, 1419925), (221, 1047275), (257, 900575), (325, 712147), (425, 544583), (815, 283985), (1105, 209455), (1285, 180115), (2119, 109225), (2771, 83525), (3341, 69275), (4075, 56797), (4369, 52975), (5525, 41891), (6425, 36023), (10595, 21845), (13855, 16705)]