81443778

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{2357}}^1$

素因数の和:2818

約数の個数: 32

約数和(自身を含む): 175887936

約数和(自身を除く): 94444158

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 443, 886, 1329, 2357, 2658, 4714, 5759, 7071, 11518, 14142, 17277, 30641, 34554, 61282, 91923, 183846, 1044151, 2088302, 3132453, 6264906, 13573963, 27147926, 40721889, 81443778]

約数ペア:

[(1, 81443778), (2, 40721889), (3, 27147926), (6, 13573963), (13, 6264906), (26, 3132453), (39, 2088302), (78, 1044151), (443, 183846), (886, 91923), (1329, 61282), (2357, 34554), (2658, 30641), (4714, 17277), (5759, 14142), (7071, 11518)]