258763010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{23291}}^1$

素因数の和:23410

約数の個数: 32

約数和(自身を含む): 513169344

約数和(自身を除く): 254406334

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 2222, 5555, 11110, 23291, 46582, 116455, 232910, 256201, 512402, 1281005, 2352391, 2562010, 4704782, 11761955, 23523910, 25876301, 51752602, 129381505, 258763010]

約数ペア:

[(1, 258763010), (2, 129381505), (5, 51752602), (10, 25876301), (11, 23523910), (22, 11761955), (55, 4704782), (101, 2562010), (110, 2352391), (202, 1281005), (505, 512402), (1010, 256201), (1111, 232910), (2222, 116455), (5555, 46582), (11110, 23291)]