27988805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 38586240

約数和(自身を除く): 10597435

約数列:

[1, 5, 13, 19, 65, 95, 131, 173, 247, 655, 865, 1235, 1703, 2249, 2489, 3287, 8515, 11245, 12445, 16435, 22663, 32357, 42731, 113315, 161785, 213655, 294619, 430597, 1473095, 2152985, 5597761, 27988805]

約数ペア:

[(1, 27988805), (5, 5597761), (13, 2152985), (19, 1473095), (65, 430597), (95, 294619), (131, 213655), (173, 161785), (247, 113315), (655, 42731), (865, 32357), (1235, 22663), (1703, 16435), (2249, 12445), (2489, 11245), (3287, 8515)]