256218996815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4447}}^1\times {\mathrm{9547}}^1$

素因数の和:14087

約数の個数: 32

約数和(自身を含む): 330242863104

約数和(自身を除く): 74023866289

約数列:

[1, 5, 17, 71, 85, 355, 1207, 4447, 6035, 9547, 22235, 47735, 75599, 162299, 315737, 377995, 677837, 811495, 1578685, 3389185, 5367529, 11523229, 26837645, 42455509, 57616145, 212277545, 721743653, 3014341139, 3608718265, 15071705695, 51243799363, 256218996815]

約数ペア:

[(1, 256218996815), (5, 51243799363), (17, 15071705695), (71, 3608718265), (85, 3014341139), (355, 721743653), (1207, 212277545), (4447, 57616145), (6035, 42455509), (9547, 26837645), (22235, 11523229), (47735, 5367529), (75599, 3389185), (162299, 1578685), (315737, 811495), (377995, 677837)]