164420964

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 425880000

約数和(自身を除く): 261459036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 199, 236, 354, 389, 398, 531, 597, 708, 778, 796, 1062, 1167, 1194, 1556, 1791, 2124, 2334, 2388, 3501, 3582, 4668, 7002, 7164, 11741, 14004, 22951, 23482, 35223, 45902, 46964, 68853, 70446, 77411, 91804, 105669, 137706, 140892, 154822, 206559, 211338, 232233, 275412, 309644, 413118, 422676, 464466, 696699, 826236, 928932, 1393398, 2786796, 4567249, 9134498, 13701747, 18268996, 27403494, 41105241, 54806988, 82210482, 164420964]

約数ペア:

[(1, 164420964), (2, 82210482), (3, 54806988), (4, 41105241), (6, 27403494), (9, 18268996), (12, 13701747), (18, 9134498), (36, 4567249), (59, 2786796), (118, 1393398), (177, 928932), (199, 826236), (236, 696699), (354, 464466), (389, 422676), (398, 413118), (531, 309644), (597, 275412), (708, 232233), (778, 211338), (796, 206559), (1062, 154822), (1167, 140892), (1194, 137706), (1556, 105669), (1791, 91804), (2124, 77411), (2334, 70446), (2388, 68853), (3501, 46964), (3582, 45902), (4668, 35223), (7002, 23482), (7164, 22951), (11741, 14004)]