87878515

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1087}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 119070720

約数和(自身を除く): 31192205

約数列:

[1, 5, 19, 23, 37, 95, 115, 185, 437, 703, 851, 1087, 2185, 3515, 4255, 5435, 16169, 20653, 25001, 40219, 80845, 103265, 125005, 201095, 475019, 764161, 925037, 2375095, 3820805, 4625185, 17575703, 87878515]

約数ペア:

[(1, 87878515), (5, 17575703), (19, 4625185), (23, 3820805), (37, 2375095), (95, 925037), (115, 764161), (185, 475019), (437, 201095), (703, 125005), (851, 103265), (1087, 80845), (2185, 40219), (3515, 25001), (4255, 20653), (5435, 16169)]