201861961

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{563}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 257292288

約数和(自身を除く): 55430327

約数列:

[1, 7, 17, 23, 119, 131, 161, 391, 563, 917, 2227, 2737, 3013, 3941, 9571, 12949, 15589, 21091, 51221, 66997, 73753, 90643, 220133, 358547, 516271, 1253801, 1540931, 1696319, 8776607, 11874233, 28837423, 201861961]

約数ペア:

[(1, 201861961), (7, 28837423), (17, 11874233), (23, 8776607), (119, 1696319), (131, 1540931), (161, 1253801), (391, 516271), (563, 358547), (917, 220133), (2227, 90643), (2737, 73753), (3013, 66997), (3941, 51221), (9571, 21091), (12949, 15589)]