81499190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{11149}}^1$

素因数の和:11216

約数の個数: 32

約数和(自身を含む): 158954400

約数和(自身を除く): 77455210

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 3655, 7310, 11149, 22298, 55745, 111490, 189533, 379066, 479407, 947665, 958814, 1895330, 2397035, 4794070, 8149919, 16299838, 40749595, 81499190]

約数ペア:

[(1, 81499190), (2, 40749595), (5, 16299838), (10, 8149919), (17, 4794070), (34, 2397035), (43, 1895330), (85, 958814), (86, 947665), (170, 479407), (215, 379066), (430, 189533), (731, 111490), (1462, 55745), (3655, 22298), (7310, 11149)]