81767212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 158699520

約数和(自身を除く): 76932308

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 79, 124, 158, 316, 491, 527, 982, 1054, 1343, 1964, 2108, 2449, 2686, 4898, 5372, 8347, 9796, 15221, 16694, 30442, 33388, 38789, 41633, 60884, 77578, 83266, 155156, 166532, 258757, 517514, 659413, 1035028, 1202459, 1318826, 2404918, 2637652, 4809836, 20441803, 40883606, 81767212]

約数ペア:

[(1, 81767212), (2, 40883606), (4, 20441803), (17, 4809836), (31, 2637652), (34, 2404918), (62, 1318826), (68, 1202459), (79, 1035028), (124, 659413), (158, 517514), (316, 258757), (491, 166532), (527, 155156), (982, 83266), (1054, 77578), (1343, 60884), (1964, 41633), (2108, 38789), (2449, 33388), (2686, 30442), (4898, 16694), (5372, 15221), (8347, 9796)]