15724885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 21605760

約数和(自身を除く): 5880875

約数列:

[1, 5, 11, 43, 55, 61, 109, 215, 305, 473, 545, 671, 1199, 2365, 2623, 3355, 4687, 5995, 6649, 13115, 23435, 28853, 33245, 51557, 73139, 144265, 257785, 285907, 365695, 1429535, 3144977, 15724885]

約数ペア:

[(1, 15724885), (5, 3144977), (11, 1429535), (43, 365695), (55, 285907), (61, 257785), (109, 144265), (215, 73139), (305, 51557), (473, 33245), (545, 28853), (671, 23435), (1199, 13115), (2365, 6649), (2623, 5995), (3355, 4687)]