156949375

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1$

素因数の和:685

約数の個数: 40

約数和(自身を含む): 220092048

約数和(自身を除く): 63142673

約数列:

[1, 5, 11, 25, 37, 55, 125, 185, 275, 407, 617, 625, 925, 1375, 2035, 3085, 4625, 6787, 6875, 10175, 15425, 22829, 23125, 33935, 50875, 77125, 114145, 169675, 251119, 254375, 385625, 570725, 848375, 1255595, 2853625, 4241875, 6277975, 14268125, 31389875, 156949375]

約数ペア:

[(1, 156949375), (5, 31389875), (11, 14268125), (25, 6277975), (37, 4241875), (55, 2853625), (125, 1255595), (185, 848375), (275, 570725), (407, 385625), (617, 254375), (625, 251119), (925, 169675), (1375, 114145), (2035, 77125), (3085, 50875), (4625, 33935), (6787, 23125), (6875, 22829), (10175, 15425)]