259987368

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{691}}^1$

素因数の和:1018

約数の個数: 64

約数和(自身を含む): 664153920

約数和(自身を除く): 404166552

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 122, 183, 244, 257, 366, 488, 514, 691, 732, 771, 1028, 1382, 1464, 1542, 2056, 2073, 2764, 3084, 4146, 5528, 6168, 8292, 15677, 16584, 31354, 42151, 47031, 62708, 84302, 94062, 125416, 126453, 168604, 177587, 188124, 252906, 337208, 355174, 376248, 505812, 532761, 710348, 1011624, 1065522, 1420696, 2131044, 4262088, 10832807, 21665614, 32498421, 43331228, 64996842, 86662456, 129993684, 259987368]

約数ペア:

[(1, 259987368), (2, 129993684), (3, 86662456), (4, 64996842), (6, 43331228), (8, 32498421), (12, 21665614), (24, 10832807), (61, 4262088), (122, 2131044), (183, 1420696), (244, 1065522), (257, 1011624), (366, 710348), (488, 532761), (514, 505812), (691, 376248), (732, 355174), (771, 337208), (1028, 252906), (1382, 188124), (1464, 177587), (1542, 168604), (2056, 126453), (2073, 125416), (2764, 94062), (3084, 84302), (4146, 62708), (5528, 47031), (6168, 42151), (8292, 31354), (15677, 16584)]