289206874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 511828992

約数和(自身を除く): 222622118

約数列:

[1, 2, 11, 22, 31, 37, 62, 73, 74, 146, 157, 314, 341, 407, 682, 803, 814, 1147, 1606, 1727, 2263, 2294, 2701, 3454, 4526, 4867, 5402, 5809, 9734, 11461, 11618, 12617, 22922, 24893, 25234, 29711, 49786, 53537, 59422, 63899, 83731, 107074, 126071, 127798, 167462, 180079, 252142, 355291, 360158, 424057, 710582, 848114, 921041, 1842082, 1980869, 3908201, 3961738, 4664627, 7816402, 9329254, 13145767, 26291534, 144603437, 289206874]

約数ペア:

[(1, 289206874), (2, 144603437), (11, 26291534), (22, 13145767), (31, 9329254), (37, 7816402), (62, 4664627), (73, 3961738), (74, 3908201), (146, 1980869), (157, 1842082), (314, 921041), (341, 848114), (407, 710582), (682, 424057), (803, 360158), (814, 355291), (1147, 252142), (1606, 180079), (1727, 167462), (2263, 127798), (2294, 126071), (2701, 107074), (3454, 83731), (4526, 63899), (4867, 59422), (5402, 53537), (5809, 49786), (9734, 29711), (11461, 25234), (11618, 24893), (12617, 22922)]