22506185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 7975735

約数列:

[1, 5, 13, 47, 53, 65, 139, 235, 265, 611, 689, 695, 1807, 2491, 3055, 3445, 6533, 7367, 9035, 12455, 32383, 32665, 36835, 84929, 95771, 161915, 346249, 424645, 478855, 1731245, 4501237, 22506185]

約数ペア:

[(1, 22506185), (5, 4501237), (13, 1731245), (47, 478855), (53, 424645), (65, 346249), (139, 161915), (235, 95771), (265, 84929), (611, 36835), (689, 32665), (695, 32383), (1807, 12455), (2491, 9035), (3055, 7367), (3445, 6533)]