12717575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 17186400

約数和(自身を除く): 4468825

約数列:

[1, 5, 13, 25, 65, 109, 325, 359, 545, 1417, 1795, 2725, 4667, 7085, 8975, 23335, 35425, 39131, 116675, 195655, 508703, 978275, 2543515, 12717575]

約数ペア:

[(1, 12717575), (5, 2543515), (13, 978275), (25, 508703), (65, 195655), (109, 116675), (325, 39131), (359, 35425), (545, 23335), (1417, 8975), (1795, 7085), (2725, 4667)]