221458237

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9619}}^1$

素因数の和:9673

約数の個数: 32

約数和(自身を含む): 310302720

約数和(自身を除く): 88844483

約数列:

[1, 7, 11, 13, 23, 77, 91, 143, 161, 253, 299, 1001, 1771, 2093, 3289, 9619, 23023, 67333, 105809, 125047, 221237, 740663, 875329, 1375517, 1548659, 2433607, 2876081, 9628619, 17035249, 20132567, 31636891, 221458237]

約数ペア:

[(1, 221458237), (7, 31636891), (11, 20132567), (13, 17035249), (23, 9628619), (77, 2876081), (91, 2433607), (143, 1548659), (161, 1375517), (253, 875329), (299, 740663), (1001, 221237), (1771, 125047), (2093, 105809), (3289, 67333), (9619, 23023)]