639237744

素因数分解:

$2^4\times 3^5\times {\mathrm{164413}}^1$

素因数の和:164436

約数の個数: 60

約数和(自身を含む): 1855247576

約数和(自身を除く): 1216009832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 164413, 328826, 493239, 657652, 986478, 1315304, 1479717, 1972956, 2630608, 2959434, 3945912, 4439151, 5918868, 7891824, 8878302, 11837736, 13317453, 17756604, 23675472, 26634906, 35513208, 39952359, 53269812, 71026416, 79904718, 106539624, 159809436, 213079248, 319618872, 639237744]

約数ペア:

[(1, 639237744), (2, 319618872), (3, 213079248), (4, 159809436), (6, 106539624), (8, 79904718), (9, 71026416), (12, 53269812), (16, 39952359), (18, 35513208), (24, 26634906), (27, 23675472), (36, 17756604), (48, 13317453), (54, 11837736), (72, 8878302), (81, 7891824), (108, 5918868), (144, 4439151), (162, 3945912), (216, 2959434), (243, 2630608), (324, 1972956), (432, 1479717), (486, 1315304), (648, 986478), (972, 657652), (1296, 493239), (1944, 328826), (3888, 164413)]