887291275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 1213984800

約数和(自身を除く): 326693525

約数列:

[1, 5, 13, 25, 65, 73, 149, 251, 325, 365, 745, 949, 1255, 1825, 1937, 3263, 3725, 4745, 6275, 9685, 10877, 16315, 18323, 23725, 37399, 48425, 54385, 81575, 91615, 141401, 186995, 238199, 271925, 458075, 486187, 707005, 934975, 1190995, 2430935, 2730127, 3535025, 5954975, 12154675, 13650635, 35491651, 68253175, 177458255, 887291275]

約数ペア:

[(1, 887291275), (5, 177458255), (13, 68253175), (25, 35491651), (65, 13650635), (73, 12154675), (149, 5954975), (251, 3535025), (325, 2730127), (365, 2430935), (745, 1190995), (949, 934975), (1255, 707005), (1825, 486187), (1937, 458075), (3263, 271925), (3725, 238199), (4745, 186995), (6275, 141401), (9685, 91615), (10877, 81575), (16315, 54385), (18323, 48425), (23725, 37399)]