1278418175

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{563}}^1\times {\mathrm{1489}}^1$

素因数の和:2123

約数の個数: 24

約数和(自身を含む): 1615171920

約数和(自身を除く): 336753745

約数列:

[1, 5, 25, 61, 305, 563, 1489, 1525, 2815, 7445, 14075, 34343, 37225, 90829, 171715, 454145, 838307, 858575, 2270725, 4191535, 20957675, 51136727, 255683635, 1278418175]

約数ペア:

[(1, 1278418175), (5, 255683635), (25, 51136727), (61, 20957675), (305, 4191535), (563, 2270725), (1489, 858575), (1525, 838307), (2815, 454145), (7445, 171715), (14075, 90829), (34343, 37225)]