1680821282

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6318877}}^1$

素因数の和:6318905

約数の個数: 16

約数和(自身を含む): 3033061440

約数和(自身を除く): 1352240158

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 6318877, 12637754, 44232139, 88464278, 120058663, 240117326, 840410641, 1680821282]

約数ペア:

[(1, 1680821282), (2, 840410641), (7, 240117326), (14, 120058663), (19, 88464278), (38, 44232139), (133, 12637754), (266, 6318877)]