65656565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 87496416

約数和(自身を除く): 21839851

約数列:

[1, 5, 13, 65, 73, 101, 137, 365, 505, 685, 949, 1313, 1781, 4745, 6565, 7373, 8905, 10001, 13837, 36865, 50005, 69185, 95849, 130013, 179881, 479245, 650065, 899405, 1010101, 5050505, 13131313, 65656565]

約数ペア:

[(1, 65656565), (5, 13131313), (13, 5050505), (65, 1010101), (73, 899405), (101, 650065), (137, 479245), (365, 179881), (505, 130013), (685, 95849), (949, 69185), (1313, 50005), (1781, 36865), (4745, 13837), (6565, 10001), (7373, 8905)]