394373131630

素因数分解:

$2^1\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{19748279}}^1$

素因数の和:19750283

約数の個数: 16

約数和(自身を含む): 710227141920

約数和(自身を除く): 315854010290

約数列:

[1, 2, 5, 10, 1997, 3994, 9985, 19970, 19748279, 39496558, 98741395, 197482790, 39437313163, 78874626326, 197186565815, 394373131630]

約数ペア:

[(1, 394373131630), (2, 197186565815), (5, 78874626326), (10, 39437313163), (1997, 197482790), (3994, 98741395), (9985, 39496558), (19970, 19748279)]