638447736

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{2309}}^1$

素因数の和:2640

約数の個数: 64

約数和(自身を含む): 1641578400

約数和(自身を除く): 1003130664

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 281, 328, 492, 562, 843, 984, 1124, 1686, 2248, 2309, 3372, 4618, 6744, 6927, 9236, 11521, 13854, 18472, 23042, 27708, 34563, 46084, 55416, 69126, 92168, 94669, 138252, 189338, 276504, 284007, 378676, 568014, 648829, 757352, 1136028, 1297658, 1946487, 2272056, 2595316, 3892974, 5190632, 7785948, 15571896, 26601989, 53203978, 79805967, 106407956, 159611934, 212815912, 319223868, 638447736]

約数ペア:

[(1, 638447736), (2, 319223868), (3, 212815912), (4, 159611934), (6, 106407956), (8, 79805967), (12, 53203978), (24, 26601989), (41, 15571896), (82, 7785948), (123, 5190632), (164, 3892974), (246, 2595316), (281, 2272056), (328, 1946487), (492, 1297658), (562, 1136028), (843, 757352), (984, 648829), (1124, 568014), (1686, 378676), (2248, 284007), (2309, 276504), (3372, 189338), (4618, 138252), (6744, 94669), (6927, 92168), (9236, 69126), (11521, 55416), (13854, 46084), (18472, 34563), (23042, 27708)]