905402992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71359}}^1$

素因数の和:71441

約数の個数: 40

約数和(自身を含む): 1920154880

約数和(自身を除く): 1014751888

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6344, 12688, 71359, 142718, 285436, 570872, 927667, 1141744, 1855334, 3710668, 4352899, 7421336, 8705798, 14842672, 17411596, 34823192, 56587687, 69646384, 113175374, 226350748, 452701496, 905402992]

約数ペア:

[(1, 905402992), (2, 452701496), (4, 226350748), (8, 113175374), (13, 69646384), (16, 56587687), (26, 34823192), (52, 17411596), (61, 14842672), (104, 8705798), (122, 7421336), (208, 4352899), (244, 3710668), (488, 1855334), (793, 1141744), (976, 927667), (1586, 570872), (3172, 285436), (6344, 142718), (12688, 71359)]