681442

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:441

約数の個数: 16

約数和(自身を含む): 1094400

約数和(自身を除く): 412958

約数列:

[1, 2, 29, 31, 58, 62, 379, 758, 899, 1798, 10991, 11749, 21982, 23498, 340721, 681442]

約数ペア:

[(1, 681442), (2, 340721), (29, 23498), (31, 21982), (58, 11749), (62, 10991), (379, 1798), (758, 899)]