54197975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 77911680

約数和(自身を除く): 23713705

約数列:

[1, 5, 13, 19, 25, 65, 67, 95, 131, 247, 325, 335, 475, 655, 871, 1235, 1273, 1675, 1703, 2489, 3275, 4355, 6175, 6365, 8515, 8777, 12445, 16549, 21775, 31825, 32357, 42575, 43885, 62225, 82745, 114101, 161785, 166763, 219425, 413725, 570505, 808925, 833815, 2167919, 2852525, 4169075, 10839595, 54197975]

約数ペア:

[(1, 54197975), (5, 10839595), (13, 4169075), (19, 2852525), (25, 2167919), (65, 833815), (67, 808925), (95, 570505), (131, 413725), (247, 219425), (325, 166763), (335, 161785), (475, 114101), (655, 82745), (871, 62225), (1235, 43885), (1273, 42575), (1675, 32357), (1703, 31825), (2489, 21775), (3275, 16549), (4355, 12445), (6175, 8777), (6365, 8515)]