69213214

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 121305600

約数和(自身を除く): 52092386

約数列:

[1, 2, 7, 14, 71, 142, 179, 358, 389, 497, 778, 994, 1253, 2506, 2723, 5446, 12709, 25418, 27619, 55238, 69631, 88963, 139262, 177926, 193333, 386666, 487417, 974834, 4943801, 9887602, 34606607, 69213214]

約数ペア:

[(1, 69213214), (2, 34606607), (7, 9887602), (14, 4943801), (71, 974834), (142, 487417), (179, 386666), (358, 193333), (389, 177926), (497, 139262), (778, 88963), (994, 69631), (1253, 55238), (2506, 27619), (2723, 25418), (5446, 12709)]