408966428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{15761}}^1$

素因数の和:16277

約数の個数: 24

約数和(自身を含む): 772338000

約数和(自身を除く): 363371572

約数列:

[1, 2, 4, 13, 26, 52, 499, 998, 1996, 6487, 12974, 15761, 25948, 31522, 63044, 204893, 409786, 819572, 7864739, 15729478, 31458956, 102241607, 204483214, 408966428]

約数ペア:

[(1, 408966428), (2, 204483214), (4, 102241607), (13, 31458956), (26, 15729478), (52, 7864739), (499, 819572), (998, 409786), (1996, 204893), (6487, 63044), (12974, 31522), (15761, 25948)]