31028956

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 67223520

約数和(自身を除く): 36194564

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 53, 58, 98, 103, 106, 116, 196, 203, 206, 212, 371, 406, 412, 721, 742, 812, 1421, 1442, 1484, 1537, 2597, 2842, 2884, 2987, 3074, 5047, 5194, 5459, 5684, 5974, 6148, 10094, 10388, 10759, 10918, 11948, 20188, 20909, 21518, 21836, 38213, 41818, 43036, 75313, 76426, 83636, 146363, 150626, 152852, 158311, 267491, 292726, 301252, 316622, 534982, 585452, 633244, 1069964, 1108177, 2216354, 4432708, 7757239, 15514478, 31028956]

約数ペア:

[(1, 31028956), (2, 15514478), (4, 7757239), (7, 4432708), (14, 2216354), (28, 1108177), (29, 1069964), (49, 633244), (53, 585452), (58, 534982), (98, 316622), (103, 301252), (106, 292726), (116, 267491), (196, 158311), (203, 152852), (206, 150626), (212, 146363), (371, 83636), (406, 76426), (412, 75313), (721, 43036), (742, 41818), (812, 38213), (1421, 21836), (1442, 21518), (1484, 20909), (1537, 20188), (2597, 11948), (2842, 10918), (2884, 10759), (2987, 10388), (3074, 10094), (5047, 6148), (5194, 5974), (5459, 5684)]