311121168

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{491}}^1$

素因数の和:852

約数の個数: 80

約数和(自身を含む): 826780416

約数和(自身を除く): 515659248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 307, 344, 491, 516, 614, 688, 921, 982, 1032, 1228, 1473, 1842, 1964, 2064, 2456, 2946, 3684, 3928, 4912, 5892, 7368, 7856, 11784, 13201, 14736, 21113, 23568, 26402, 39603, 42226, 52804, 63339, 79206, 84452, 105608, 126678, 150737, 158412, 168904, 211216, 253356, 301474, 316824, 337808, 452211, 506712, 602948, 633648, 904422, 1013424, 1205896, 1808844, 2411792, 3617688, 6481691, 7235376, 12963382, 19445073, 25926764, 38890146, 51853528, 77780292, 103707056, 155560584, 311121168]

約数ペア:

[(1, 311121168), (2, 155560584), (3, 103707056), (4, 77780292), (6, 51853528), (8, 38890146), (12, 25926764), (16, 19445073), (24, 12963382), (43, 7235376), (48, 6481691), (86, 3617688), (129, 2411792), (172, 1808844), (258, 1205896), (307, 1013424), (344, 904422), (491, 633648), (516, 602948), (614, 506712), (688, 452211), (921, 337808), (982, 316824), (1032, 301474), (1228, 253356), (1473, 211216), (1842, 168904), (1964, 158412), (2064, 150737), (2456, 126678), (2946, 105608), (3684, 84452), (3928, 79206), (4912, 63339), (5892, 52804), (7368, 42226), (7856, 39603), (11784, 26402), (13201, 23568), (14736, 21113)]