28518948

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{463}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 76003200

約数和(自身を除く): 47484252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 59, 87, 116, 118, 174, 177, 236, 261, 348, 354, 463, 522, 531, 708, 926, 1044, 1062, 1389, 1711, 1852, 2124, 2778, 3422, 4167, 5133, 5556, 6844, 8334, 10266, 13427, 15399, 16668, 20532, 26854, 27317, 30798, 40281, 53708, 54634, 61596, 80562, 81951, 109268, 120843, 161124, 163902, 241686, 245853, 327804, 483372, 491706, 792193, 983412, 1584386, 2376579, 3168772, 4753158, 7129737, 9506316, 14259474, 28518948]

約数ペア:

[(1, 28518948), (2, 14259474), (3, 9506316), (4, 7129737), (6, 4753158), (9, 3168772), (12, 2376579), (18, 1584386), (29, 983412), (36, 792193), (58, 491706), (59, 483372), (87, 327804), (116, 245853), (118, 241686), (174, 163902), (177, 161124), (236, 120843), (261, 109268), (348, 81951), (354, 80562), (463, 61596), (522, 54634), (531, 53708), (708, 40281), (926, 30798), (1044, 27317), (1062, 26854), (1389, 20532), (1711, 16668), (1852, 15399), (2124, 13427), (2778, 10266), (3422, 8334), (4167, 6844), (5133, 5556)]