39864476

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{821}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 71349600

約数和(自身を除く): 31485124

約数列:

[1, 2, 4, 61, 122, 199, 244, 398, 796, 821, 1642, 3284, 12139, 24278, 48556, 50081, 100162, 163379, 200324, 326758, 653516, 9966119, 19932238, 39864476]

約数ペア:

[(1, 39864476), (2, 19932238), (4, 9966119), (61, 653516), (122, 326758), (199, 200324), (244, 163379), (398, 100162), (796, 50081), (821, 48556), (1642, 24278), (3284, 12139)]