40088321

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:190

約数の個数: 36

約数和(自身を含む): 52071552

約数和(自身を除く): 11983231

約数列:

[1, 7, 13, 47, 49, 91, 103, 169, 329, 611, 637, 721, 1183, 1339, 2303, 4277, 4841, 5047, 7943, 8281, 9373, 17407, 29939, 33887, 55601, 62933, 65611, 121849, 237209, 389207, 440531, 818129, 852943, 3083717, 5726903, 40088321]

約数ペア:

[(1, 40088321), (7, 5726903), (13, 3083717), (47, 852943), (49, 818129), (91, 440531), (103, 389207), (169, 237209), (329, 121849), (611, 65611), (637, 62933), (721, 55601), (1183, 33887), (1339, 29939), (2303, 17407), (4277, 9373), (4841, 8281), (5047, 7943)]