6638515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:159

約数の個数: 32

約数和(自身を含む): 9144576

約数和(自身を除く): 2506061

約数列:

[1, 5, 13, 41, 47, 53, 65, 205, 235, 265, 533, 611, 689, 1927, 2173, 2491, 2665, 3055, 3445, 9635, 10865, 12455, 25051, 28249, 32383, 102131, 125255, 141245, 161915, 510655, 1327703, 6638515]

約数ペア:

[(1, 6638515), (5, 1327703), (13, 510655), (41, 161915), (47, 141245), (53, 125255), (65, 102131), (205, 32383), (235, 28249), (265, 25051), (533, 12455), (611, 10865), (689, 9635), (1927, 3445), (2173, 3055), (2491, 2665)]