28680564

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12781}}^1$

素因数の和:12816

約数の個数: 48

約数和(自身を含む): 77305536

約数和(自身を除く): 48624972

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 66, 68, 102, 132, 187, 204, 374, 561, 748, 1122, 2244, 12781, 25562, 38343, 51124, 76686, 140591, 153372, 217277, 281182, 421773, 434554, 562364, 651831, 843546, 869108, 1303662, 1687092, 2390047, 2607324, 4780094, 7170141, 9560188, 14340282, 28680564]

約数ペア:

[(1, 28680564), (2, 14340282), (3, 9560188), (4, 7170141), (6, 4780094), (11, 2607324), (12, 2390047), (17, 1687092), (22, 1303662), (33, 869108), (34, 843546), (44, 651831), (51, 562364), (66, 434554), (68, 421773), (102, 281182), (132, 217277), (187, 153372), (204, 140591), (374, 76686), (561, 51124), (748, 38343), (1122, 25562), (2244, 12781)]