197904466

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 317162880

約数和(自身を除く): 119258414

約数列:

[1, 2, 23, 46, 67, 134, 157, 314, 409, 818, 1541, 3082, 3611, 7222, 9407, 10519, 18814, 21038, 27403, 54806, 64213, 128426, 241937, 483874, 630269, 1260538, 1476899, 2953798, 4302271, 8604542, 98952233, 197904466]

約数ペア:

[(1, 197904466), (2, 98952233), (23, 8604542), (46, 4302271), (67, 2953798), (134, 1476899), (157, 1260538), (314, 630269), (409, 483874), (818, 241937), (1541, 128426), (3082, 64213), (3611, 54806), (7222, 27403), (9407, 21038), (10519, 18814)]