16983815

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 22732800

約数和(自身を除く): 5748985

約数列:

[1, 5, 19, 31, 73, 79, 95, 155, 365, 395, 589, 1387, 1501, 2263, 2449, 2945, 5767, 6935, 7505, 11315, 12245, 28835, 42997, 46531, 109573, 178777, 214985, 232655, 547865, 893885, 3396763, 16983815]

約数ペア:

[(1, 16983815), (5, 3396763), (19, 893885), (31, 547865), (73, 232655), (79, 214985), (95, 178777), (155, 109573), (365, 46531), (395, 42997), (589, 28835), (1387, 12245), (1501, 11315), (2263, 7505), (2449, 6935), (2945, 5767)]