25498915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 34372800

約数和(自身を除く): 8873885

約数列:

[1, 5, 13, 59, 61, 65, 109, 295, 305, 545, 767, 793, 1417, 3599, 3835, 3965, 6431, 6649, 7085, 17995, 32155, 33245, 46787, 83603, 86437, 233935, 392291, 418015, 432185, 1961455, 5099783, 25498915]

約数ペア:

[(1, 25498915), (5, 5099783), (13, 1961455), (59, 432185), (61, 418015), (65, 392291), (109, 233935), (295, 86437), (305, 83603), (545, 46787), (767, 33245), (793, 32155), (1417, 17995), (3599, 7085), (3835, 6649), (3965, 6431)]