315021655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2749}}^1$

素因数の和:2851

約数の個数: 32

約数和(自身を含む): 426888000

約数和(自身を除く): 111866345

約数列:

[1, 5, 13, 41, 43, 65, 205, 215, 533, 559, 1763, 2665, 2749, 2795, 8815, 13745, 22919, 35737, 112709, 114595, 118207, 178685, 563545, 591035, 1465217, 1536691, 4846487, 7326085, 7683455, 24232435, 63004331, 315021655]

約数ペア:

[(1, 315021655), (5, 63004331), (13, 24232435), (41, 7683455), (43, 7326085), (65, 4846487), (205, 1536691), (215, 1465217), (533, 591035), (559, 563545), (1763, 178685), (2665, 118207), (2749, 114595), (2795, 112709), (8815, 35737), (13745, 22919)]