199366915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^2$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 268902288

約数和(自身を除く): 69535373

約数列:

[1, 5, 11, 37, 55, 185, 313, 407, 1565, 2035, 3443, 11581, 17215, 57905, 97969, 127391, 489845, 636955, 1077659, 3624853, 5388295, 18124265, 39873383, 199366915]

約数ペア:

[(1, 199366915), (5, 39873383), (11, 18124265), (37, 5388295), (55, 3624853), (185, 1077659), (313, 636955), (407, 489845), (1565, 127391), (2035, 97969), (3443, 57905), (11581, 17215)]