28082556

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1$

素因数の和:803

約数の個数: 72

約数和(自身を含む): 75522720

約数和(自身を除く): 47440164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 37, 58, 74, 87, 111, 116, 148, 174, 222, 261, 333, 348, 444, 522, 666, 727, 1044, 1073, 1332, 1454, 2146, 2181, 2908, 3219, 4292, 4362, 6438, 6543, 8724, 9657, 12876, 13086, 19314, 21083, 26172, 26899, 38628, 42166, 53798, 63249, 80697, 84332, 107596, 126498, 161394, 189747, 242091, 252996, 322788, 379494, 484182, 758988, 780071, 968364, 1560142, 2340213, 3120284, 4680426, 7020639, 9360852, 14041278, 28082556]

約数ペア:

[(1, 28082556), (2, 14041278), (3, 9360852), (4, 7020639), (6, 4680426), (9, 3120284), (12, 2340213), (18, 1560142), (29, 968364), (36, 780071), (37, 758988), (58, 484182), (74, 379494), (87, 322788), (111, 252996), (116, 242091), (148, 189747), (174, 161394), (222, 126498), (261, 107596), (333, 84332), (348, 80697), (444, 63249), (522, 53798), (666, 42166), (727, 38628), (1044, 26899), (1073, 26172), (1332, 21083), (1454, 19314), (2146, 13086), (2181, 12876), (2908, 9657), (3219, 8724), (4292, 6543), (4362, 6438)]