214887815

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 282839040

約数和(自身を除く): 67951225

約数列:

[1, 5, 19, 31, 95, 131, 155, 557, 589, 655, 2489, 2785, 2945, 4061, 10583, 12445, 17267, 20305, 52915, 72967, 77159, 86335, 328073, 364835, 385795, 1386373, 1640365, 2261977, 6931865, 11309885, 42977563, 214887815]

約数ペア:

[(1, 214887815), (5, 42977563), (19, 11309885), (31, 6931865), (95, 2261977), (131, 1640365), (155, 1386373), (557, 385795), (589, 364835), (655, 328073), (2489, 86335), (2785, 77159), (2945, 72967), (4061, 52915), (10583, 20305), (12445, 17267)]