1331798198

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{252139}}^1$

素因数の和:252299

約数の個数: 16

約数和(自身を含む): 2117976000

約数和(自身を除く): 786177802

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 252139, 504278, 4790641, 9581282, 35047321, 70094642, 665899099, 1331798198]

約数ペア:

[(1, 1331798198), (2, 665899099), (19, 70094642), (38, 35047321), (139, 9581282), (278, 4790641), (2641, 504278), (5282, 252139)]