268487905

素因数分解:

$5^1\times 7^2\times {\mathrm{317}}^1\times {\mathrm{3457}}^1$

素因数の和:3793

約数の個数: 24

約数和(自身を含む): 376078248

約数和(自身を除く): 107590343

約数列:

[1, 5, 7, 35, 49, 245, 317, 1585, 2219, 3457, 11095, 15533, 17285, 24199, 77665, 120995, 169393, 846965, 1095869, 5479345, 7671083, 38355415, 53697581, 268487905]

約数ペア:

[(1, 268487905), (5, 53697581), (7, 38355415), (35, 7671083), (49, 5479345), (245, 1095869), (317, 846965), (1585, 169393), (2219, 120995), (3457, 77665), (11095, 24199), (15533, 17285)]