31905828

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{20611}}^1$

素因数の和:20664

約数の個数: 36

約数和(自身を含む): 82530448

約数和(自身を除く): 50624620

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 20611, 41222, 61833, 82444, 123666, 185499, 247332, 370998, 741996, 886273, 1772546, 2658819, 3545092, 5317638, 7976457, 10635276, 15952914, 31905828]

約数ペア:

[(1, 31905828), (2, 15952914), (3, 10635276), (4, 7976457), (6, 5317638), (9, 3545092), (12, 2658819), (18, 1772546), (36, 886273), (43, 741996), (86, 370998), (129, 247332), (172, 185499), (258, 123666), (387, 82444), (516, 61833), (774, 41222), (1548, 20611)]