31191818

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 56242944

約数和(自身を除く): 25051126

約数列:

[1, 2, 7, 14, 23, 46, 157, 161, 314, 322, 617, 1099, 1234, 2198, 3611, 4319, 7222, 8638, 14191, 25277, 28382, 50554, 96869, 99337, 193738, 198674, 678083, 1356166, 2227987, 4455974, 15595909, 31191818]

約数ペア:

[(1, 31191818), (2, 15595909), (7, 4455974), (14, 2227987), (23, 1356166), (46, 678083), (157, 198674), (161, 193738), (314, 99337), (322, 96869), (617, 50554), (1099, 28382), (1234, 25277), (2198, 14191), (3611, 8638), (4319, 7222)]