1864265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 32

約数和(自身を含む): 2661120

約数和(自身を除く): 796855

約数列:

[1, 5, 13, 23, 29, 43, 65, 115, 145, 215, 299, 377, 559, 667, 989, 1247, 1495, 1885, 2795, 3335, 4945, 6235, 8671, 12857, 16211, 28681, 43355, 64285, 81055, 143405, 372853, 1864265]

約数ペア:

[(1, 1864265), (5, 372853), (13, 143405), (23, 81055), (29, 64285), (43, 43355), (65, 28681), (115, 16211), (145, 12857), (215, 8671), (299, 6235), (377, 4945), (559, 3335), (667, 2795), (989, 1885), (1247, 1495)]