84972005

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 110592000

約数和(自身を除く): 25619995

約数列:

[1, 5, 23, 47, 79, 115, 199, 235, 395, 995, 1081, 1817, 3713, 4577, 5405, 9085, 9353, 15721, 18565, 22885, 46765, 78605, 85399, 215119, 361583, 426995, 738887, 1075595, 1807915, 3694435, 16994401, 84972005]

約数ペア:

[(1, 84972005), (5, 16994401), (23, 3694435), (47, 1807915), (79, 1075595), (115, 738887), (199, 426995), (235, 361583), (395, 215119), (995, 85399), (1081, 78605), (1817, 46765), (3713, 22885), (4577, 18565), (5405, 15721), (9085, 9353)]