28219576

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{751}}^1$

素因数の和:836

約数の個数: 64

約数和(自身を含む): 67138560

約数和(自身を除く): 38918984

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 61, 77, 88, 122, 154, 244, 308, 427, 488, 616, 671, 751, 854, 1342, 1502, 1708, 2684, 3004, 3416, 4697, 5257, 5368, 6008, 8261, 9394, 10514, 16522, 18788, 21028, 33044, 37576, 42056, 45811, 57827, 66088, 91622, 115654, 183244, 231308, 320677, 366488, 462616, 503921, 641354, 1007842, 1282708, 2015684, 2565416, 3527447, 4031368, 7054894, 14109788, 28219576]

約数ペア:

[(1, 28219576), (2, 14109788), (4, 7054894), (7, 4031368), (8, 3527447), (11, 2565416), (14, 2015684), (22, 1282708), (28, 1007842), (44, 641354), (56, 503921), (61, 462616), (77, 366488), (88, 320677), (122, 231308), (154, 183244), (244, 115654), (308, 91622), (427, 66088), (488, 57827), (616, 45811), (671, 42056), (751, 37576), (854, 33044), (1342, 21028), (1502, 18788), (1708, 16522), (2684, 10514), (3004, 9394), (3416, 8261), (4697, 6008), (5257, 5368)]