28648664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 61395840

約数和(自身を除く): 32747176

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 67, 86, 88, 113, 134, 172, 226, 268, 344, 452, 473, 536, 737, 904, 946, 1243, 1474, 1892, 2486, 2881, 2948, 3784, 4859, 4972, 5762, 5896, 7571, 9718, 9944, 11524, 15142, 19436, 23048, 30284, 31691, 38872, 53449, 60568, 63382, 83281, 106898, 126764, 166562, 213796, 253528, 325553, 333124, 427592, 651106, 666248, 1302212, 2604424, 3581083, 7162166, 14324332, 28648664]

約数ペア:

[(1, 28648664), (2, 14324332), (4, 7162166), (8, 3581083), (11, 2604424), (22, 1302212), (43, 666248), (44, 651106), (67, 427592), (86, 333124), (88, 325553), (113, 253528), (134, 213796), (172, 166562), (226, 126764), (268, 106898), (344, 83281), (452, 63382), (473, 60568), (536, 53449), (737, 38872), (904, 31691), (946, 30284), (1243, 23048), (1474, 19436), (1892, 15142), (2486, 11524), (2881, 9944), (2948, 9718), (3784, 7571), (4859, 5896), (4972, 5762)]