1297331245

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1\times {\mathrm{1663}}^1$

素因数の和:2425

約数の個数: 32

約数和(自身を含む): 1840250880

約数和(自身を除く): 542919635

約数列:

[1, 5, 7, 31, 35, 155, 217, 719, 1085, 1663, 3595, 5033, 8315, 11641, 22289, 25165, 51553, 58205, 111445, 156023, 257765, 360871, 780115, 1195697, 1804355, 5978485, 8369879, 37066607, 41849395, 185333035, 259466249, 1297331245]

約数ペア:

[(1, 1297331245), (5, 259466249), (7, 185333035), (31, 41849395), (35, 37066607), (155, 8369879), (217, 5978485), (719, 1804355), (1085, 1195697), (1663, 780115), (3595, 360871), (5033, 257765), (8315, 156023), (11641, 111445), (22289, 58205), (25165, 51553)]