990147242

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1159423}}^1$

素因数の和:1159493

約数の個数: 16

約数和(自身を含む): 1725222912

約数和(自身を除く): 735075670

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 1159423, 2318846, 8115961, 16231922, 70724803, 141449606, 495073621, 990147242]

約数ペア:

[(1, 990147242), (2, 495073621), (7, 141449606), (14, 70724803), (61, 16231922), (122, 8115961), (427, 2318846), (854, 1159423)]