66481948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{20959}}^1$

素因数の和:21037

約数の個数: 24

約数和(自身を含む): 127352960

約数和(自身を除く): 60871012

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 20959, 41918, 83836, 272467, 544934, 1089868, 1278499, 2556998, 5113996, 16620487, 33240974, 66481948]

約数ペア:

[(1, 66481948), (2, 33240974), (4, 16620487), (13, 5113996), (26, 2556998), (52, 1278499), (61, 1089868), (122, 544934), (244, 272467), (793, 83836), (1586, 41918), (3172, 20959)]