83390330

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2179}}^1$

素因数の和:2318

約数の個数: 32

約数和(自身を含む): 155390400

約数和(自身を除く): 72000070

約数列:

[1, 2, 5, 10, 43, 86, 89, 178, 215, 430, 445, 890, 2179, 3827, 4358, 7654, 10895, 19135, 21790, 38270, 93697, 187394, 193931, 387862, 468485, 936970, 969655, 1939310, 8339033, 16678066, 41695165, 83390330]

約数ペア:

[(1, 83390330), (2, 41695165), (5, 16678066), (10, 8339033), (43, 1939310), (86, 969655), (89, 936970), (178, 468485), (215, 387862), (430, 193931), (445, 187394), (890, 93697), (2179, 38270), (3827, 21790), (4358, 19135), (7654, 10895)]