217114568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 458377920

約数和(自身を除く): 241263352

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 181, 317, 344, 362, 473, 634, 724, 946, 1268, 1448, 1892, 1991, 2536, 3487, 3784, 3982, 6974, 7783, 7964, 13631, 13948, 15566, 15928, 27262, 27896, 31132, 54524, 57377, 62264, 85613, 109048, 114754, 149941, 171226, 229508, 299882, 342452, 459016, 599764, 631147, 684904, 1199528, 1262294, 2467211, 2524588, 4934422, 5049176, 9868844, 19737688, 27139321, 54278642, 108557284, 217114568]

約数ペア:

[(1, 217114568), (2, 108557284), (4, 54278642), (8, 27139321), (11, 19737688), (22, 9868844), (43, 5049176), (44, 4934422), (86, 2524588), (88, 2467211), (172, 1262294), (181, 1199528), (317, 684904), (344, 631147), (362, 599764), (473, 459016), (634, 342452), (724, 299882), (946, 229508), (1268, 171226), (1448, 149941), (1892, 114754), (1991, 109048), (2536, 85613), (3487, 62264), (3784, 57377), (3982, 54524), (6974, 31132), (7783, 27896), (7964, 27262), (13631, 15928), (13948, 15566)]