216967859

素因数分解:

${\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 238493808

約数和(自身を除く): 21525949

約数列:

[1, 19, 41, 107, 137, 361, 779, 2033, 2603, 4387, 5617, 14659, 14801, 38627, 49457, 83353, 106723, 278521, 601019, 1583707, 2027737, 5291899, 11419361, 216967859]

約数ペア:

[(1, 216967859), (19, 11419361), (41, 5291899), (107, 2027737), (137, 1583707), (361, 601019), (779, 278521), (2033, 106723), (2603, 83353), (4387, 49457), (5617, 38627), (14659, 14801)]