8656787425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{947}}^1\times {\mathrm{2557}}^1$

素因数の和:3538

約数の個数: 48

約数和(自身を含む): 12629316672

約数和(自身を除く): 3972529247

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 947, 2557, 3575, 4735, 10417, 12311, 12785, 23675, 28127, 33241, 52085, 61555, 63925, 135421, 140635, 166205, 260425, 307775, 365651, 677105, 703175, 831025, 1828255, 2421479, 3385525, 9141275, 12107395, 26636269, 31479227, 60536975, 133181345, 157396135, 346271497, 665906725, 786980675, 1731357485, 8656787425]

約数ペア:

[(1, 8656787425), (5, 1731357485), (11, 786980675), (13, 665906725), (25, 346271497), (55, 157396135), (65, 133181345), (143, 60536975), (275, 31479227), (325, 26636269), (715, 12107395), (947, 9141275), (2557, 3385525), (3575, 2421479), (4735, 1828255), (10417, 831025), (12311, 703175), (12785, 677105), (23675, 365651), (28127, 307775), (33241, 260425), (52085, 166205), (61555, 140635), (63925, 135421)]