127959568

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:596

約数の個数: 80

約数和(自身を含む): 285696000

約数和(自身を除く): 157736432

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 47, 62, 88, 94, 124, 176, 188, 248, 341, 376, 496, 499, 517, 682, 752, 998, 1034, 1364, 1457, 1996, 2068, 2728, 2914, 3992, 4136, 5456, 5489, 5828, 7984, 8272, 10978, 11656, 15469, 16027, 21956, 23312, 23453, 30938, 32054, 43912, 46906, 61876, 64108, 87824, 93812, 123752, 128216, 170159, 187624, 247504, 256432, 257983, 340318, 375248, 515966, 680636, 727043, 1031932, 1361272, 1454086, 2063864, 2722544, 2908172, 4127728, 5816344, 7997473, 11632688, 15994946, 31989892, 63979784, 127959568]

約数ペア:

[(1, 127959568), (2, 63979784), (4, 31989892), (8, 15994946), (11, 11632688), (16, 7997473), (22, 5816344), (31, 4127728), (44, 2908172), (47, 2722544), (62, 2063864), (88, 1454086), (94, 1361272), (124, 1031932), (176, 727043), (188, 680636), (248, 515966), (341, 375248), (376, 340318), (496, 257983), (499, 256432), (517, 247504), (682, 187624), (752, 170159), (998, 128216), (1034, 123752), (1364, 93812), (1457, 87824), (1996, 64108), (2068, 61876), (2728, 46906), (2914, 43912), (3992, 32054), (4136, 30938), (5456, 23453), (5489, 23312), (5828, 21956), (7984, 16027), (8272, 15469), (10978, 11656)]