218794664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{863}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 465315840

約数和(自身を除く): 246521176

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 67, 86, 88, 134, 172, 268, 344, 473, 536, 737, 863, 946, 1474, 1726, 1892, 2881, 2948, 3452, 3784, 5762, 5896, 6904, 9493, 11524, 18986, 23048, 31691, 37109, 37972, 57821, 63382, 74218, 75944, 115642, 126764, 148436, 231284, 253528, 296872, 408199, 462568, 636031, 816398, 1272062, 1632796, 2486303, 2544124, 3265592, 4972606, 5088248, 9945212, 19890424, 27349333, 54698666, 109397332, 218794664]

約数ペア:

[(1, 218794664), (2, 109397332), (4, 54698666), (8, 27349333), (11, 19890424), (22, 9945212), (43, 5088248), (44, 4972606), (67, 3265592), (86, 2544124), (88, 2486303), (134, 1632796), (172, 1272062), (268, 816398), (344, 636031), (473, 462568), (536, 408199), (737, 296872), (863, 253528), (946, 231284), (1474, 148436), (1726, 126764), (1892, 115642), (2881, 75944), (2948, 74218), (3452, 63382), (3784, 57821), (5762, 37972), (5896, 37109), (6904, 31691), (9493, 23048), (11524, 18986)]