28667988

素因数分解:

$2^2\times 3^2\times {\mathrm{223}}^1\times {\mathrm{3571}}^1$

素因数の和:3804

約数の個数: 36

約数和(自身を含む): 72811648

約数和(自身を除く): 44143660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 223, 446, 669, 892, 1338, 2007, 2676, 3571, 4014, 7142, 8028, 10713, 14284, 21426, 32139, 42852, 64278, 128556, 796333, 1592666, 2388999, 3185332, 4777998, 7166997, 9555996, 14333994, 28667988]

約数ペア:

[(1, 28667988), (2, 14333994), (3, 9555996), (4, 7166997), (6, 4777998), (9, 3185332), (12, 2388999), (18, 1592666), (36, 796333), (223, 128556), (446, 64278), (669, 42852), (892, 32139), (1338, 21426), (2007, 14284), (2676, 10713), (3571, 8028), (4014, 7142)]