257036628

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 645321600

約数和(自身を除く): 388284972

約数列:

[1, 2, 3, 4, 6, 12, 29, 43, 58, 86, 87, 89, 116, 129, 172, 174, 178, 193, 258, 267, 348, 356, 386, 516, 534, 579, 772, 1068, 1158, 1247, 2316, 2494, 2581, 3741, 3827, 4988, 5162, 5597, 7482, 7654, 7743, 8299, 10324, 11194, 11481, 14964, 15308, 15486, 16598, 16791, 17177, 22388, 22962, 24897, 30972, 33196, 33582, 34354, 45924, 49794, 51531, 67164, 68708, 99588, 103062, 110983, 206124, 221966, 240671, 332949, 443932, 481342, 498133, 665898, 722013, 738611, 962684, 996266, 1331796, 1444026, 1477222, 1494399, 1992532, 2215833, 2888052, 2954444, 2988798, 4431666, 5977596, 8863332, 21419719, 42839438, 64259157, 85678876, 128518314, 257036628]

約数ペア:

[(1, 257036628), (2, 128518314), (3, 85678876), (4, 64259157), (6, 42839438), (12, 21419719), (29, 8863332), (43, 5977596), (58, 4431666), (86, 2988798), (87, 2954444), (89, 2888052), (116, 2215833), (129, 1992532), (172, 1494399), (174, 1477222), (178, 1444026), (193, 1331796), (258, 996266), (267, 962684), (348, 738611), (356, 722013), (386, 665898), (516, 498133), (534, 481342), (579, 443932), (772, 332949), (1068, 240671), (1158, 221966), (1247, 206124), (2316, 110983), (2494, 103062), (2581, 99588), (3741, 68708), (3827, 67164), (4988, 51531), (5162, 49794), (5597, 45924), (7482, 34354), (7654, 33582), (7743, 33196), (8299, 30972), (10324, 24897), (11194, 22962), (11481, 22388), (14964, 17177), (15308, 16791), (15486, 16598)]