1997016858

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{1562611}}^1$

素因数の和:1562690

約数の個数: 24

約数和(自身を含む): 4387814496

約数和(自身を除く): 2390797638

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 1562611, 3125222, 4687833, 9375666, 14063499, 28126998, 110945381, 221890762, 332836143, 665672286, 998508429, 1997016858]

約数ペア:

[(1, 1997016858), (2, 998508429), (3, 665672286), (6, 332836143), (9, 221890762), (18, 110945381), (71, 28126998), (142, 14063499), (213, 9375666), (426, 4687833), (639, 3125222), (1278, 1562611)]