289420712

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{569}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 643507200

約数和(自身を除く): 354086488

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 293, 434, 569, 586, 868, 1138, 1172, 1736, 2051, 2276, 2344, 3983, 4102, 4552, 7966, 8204, 9083, 15932, 16408, 17639, 18166, 31864, 35278, 36332, 63581, 70556, 72664, 123473, 127162, 141112, 166717, 246946, 254324, 333434, 493892, 508648, 666868, 987784, 1167019, 1333736, 2334038, 4668076, 5168227, 9336152, 10336454, 20672908, 36177589, 41345816, 72355178, 144710356, 289420712]

約数ペア:

[(1, 289420712), (2, 144710356), (4, 72355178), (7, 41345816), (8, 36177589), (14, 20672908), (28, 10336454), (31, 9336152), (56, 5168227), (62, 4668076), (124, 2334038), (217, 1333736), (248, 1167019), (293, 987784), (434, 666868), (569, 508648), (586, 493892), (868, 333434), (1138, 254324), (1172, 246946), (1736, 166717), (2051, 141112), (2276, 127162), (2344, 123473), (3983, 72664), (4102, 70556), (4552, 63581), (7966, 36332), (8204, 35278), (9083, 31864), (15932, 18166), (16408, 17639)]