13751725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 20623680

約数和(自身を除く): 6871955

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 131, 221, 247, 323, 325, 425, 475, 655, 1105, 1235, 1615, 1703, 2227, 2489, 3275, 4199, 5525, 6175, 8075, 8515, 11135, 12445, 20995, 28951, 32357, 42313, 42575, 55675, 62225, 104975, 144755, 161785, 211565, 550069, 723775, 808925, 1057825, 2750345, 13751725]

約数ペア:

[(1, 13751725), (5, 2750345), (13, 1057825), (17, 808925), (19, 723775), (25, 550069), (65, 211565), (85, 161785), (95, 144755), (131, 104975), (221, 62225), (247, 55675), (323, 42575), (325, 42313), (425, 32357), (475, 28951), (655, 20995), (1105, 12445), (1235, 11135), (1615, 8515), (1703, 8075), (2227, 6175), (2489, 5525), (3275, 4199)]