254245225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{7177}}^1$

素因数の和:7309

約数の個数: 24

約数和(自身を含む): 342677720

約数和(自身を除く): 88432495

約数列:

[1, 5, 13, 25, 65, 109, 325, 545, 1417, 2725, 7085, 7177, 35425, 35885, 93301, 179425, 466505, 782293, 2332525, 3911465, 10169809, 19557325, 50849045, 254245225]

約数ペア:

[(1, 254245225), (5, 50849045), (13, 19557325), (25, 10169809), (65, 3911465), (109, 2332525), (325, 782293), (545, 466505), (1417, 179425), (2725, 93301), (7085, 35885), (7177, 35425)]