128045018725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{747599}}^1$

素因数の和:747670

約数の個数: 48

約数和(自身を含む): 186888038400

約数和(自身を除く): 58843019675

約数列:

[1, 5, 13, 17, 25, 31, 65, 85, 155, 221, 325, 403, 425, 527, 775, 1105, 2015, 2635, 5525, 6851, 10075, 13175, 34255, 171275, 747599, 3737995, 9718787, 12709183, 18689975, 23175569, 48593935, 63545915, 115877845, 165219379, 242969675, 301282397, 317729575, 393984673, 579389225, 826096895, 1506411985, 1969923365, 4130484475, 5121800749, 7532059925, 9849616825, 25609003745, 128045018725]

約数ペア:

[(1, 128045018725), (5, 25609003745), (13, 9849616825), (17, 7532059925), (25, 5121800749), (31, 4130484475), (65, 1969923365), (85, 1506411985), (155, 826096895), (221, 579389225), (325, 393984673), (403, 317729575), (425, 301282397), (527, 242969675), (775, 165219379), (1105, 115877845), (2015, 63545915), (2635, 48593935), (5525, 23175569), (6851, 18689975), (10075, 12709183), (13175, 9718787), (34255, 3737995), (171275, 747599)]