28951117

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 34137600

約数和(自身を除く): 5186483

約数列:

[1, 13, 19, 31, 199, 247, 361, 403, 589, 2587, 3781, 4693, 6169, 7657, 11191, 49153, 71839, 80197, 117211, 145483, 933907, 1523743, 2227009, 28951117]

約数ペア:

[(1, 28951117), (13, 2227009), (19, 1523743), (31, 933907), (199, 145483), (247, 117211), (361, 80197), (403, 71839), (589, 49153), (2587, 11191), (3781, 7657), (4693, 6169)]