211284530

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{681563}}^1$

素因数の和:681601

約数の個数: 16

約数和(自身を含む): 392580864

約数和(自身を除く): 181296334

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 681563, 1363126, 3407815, 6815630, 21128453, 42256906, 105642265, 211284530]

約数ペア:

[(1, 211284530), (2, 105642265), (5, 42256906), (10, 21128453), (31, 6815630), (62, 3407815), (155, 1363126), (310, 681563)]