81119994

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1697}}^1$

素因数の和:1990

約数の個数: 32

約数和(自身を含む): 168224256

約数和(自身を除く): 87104262

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 257, 514, 771, 1542, 1697, 3394, 5091, 7967, 10182, 15934, 23901, 47802, 52607, 105214, 157821, 315642, 436129, 872258, 1308387, 2616774, 13519999, 27039998, 40559997, 81119994]

約数ペア:

[(1, 81119994), (2, 40559997), (3, 27039998), (6, 13519999), (31, 2616774), (62, 1308387), (93, 872258), (186, 436129), (257, 315642), (514, 157821), (771, 105214), (1542, 52607), (1697, 47802), (3394, 23901), (5091, 15934), (7967, 10182)]