28531404

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 79519440

約数和(自身を除く): 50988036

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 109, 132, 198, 218, 327, 396, 436, 654, 661, 981, 1199, 1308, 1322, 1962, 1983, 2398, 2644, 3597, 3924, 3966, 4796, 5949, 7194, 7271, 7932, 10791, 11898, 14388, 14542, 21582, 21813, 23796, 29084, 43164, 43626, 65439, 72049, 87252, 130878, 144098, 216147, 261756, 288196, 432294, 648441, 792539, 864588, 1296882, 1585078, 2377617, 2593764, 3170156, 4755234, 7132851, 9510468, 14265702, 28531404]

約数ペア:

[(1, 28531404), (2, 14265702), (3, 9510468), (4, 7132851), (6, 4755234), (9, 3170156), (11, 2593764), (12, 2377617), (18, 1585078), (22, 1296882), (33, 864588), (36, 792539), (44, 648441), (66, 432294), (99, 288196), (109, 261756), (132, 216147), (198, 144098), (218, 130878), (327, 87252), (396, 72049), (436, 65439), (654, 43626), (661, 43164), (981, 29084), (1199, 23796), (1308, 21813), (1322, 21582), (1962, 14542), (1983, 14388), (2398, 11898), (2644, 10791), (3597, 7932), (3924, 7271), (3966, 7194), (4796, 5949)]