389655861

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 662100480

約数和(自身を除く): 272444619

約数列:

[1, 3, 7, 17, 21, 29, 51, 61, 87, 119, 183, 203, 357, 427, 493, 609, 617, 1037, 1281, 1479, 1769, 1851, 3111, 3451, 4319, 5307, 7259, 10353, 10489, 12383, 12957, 17893, 21777, 30073, 31467, 37149, 37637, 53679, 73423, 90219, 112911, 125251, 210511, 220269, 263459, 304181, 375753, 631533, 639829, 790377, 912543, 1091473, 1919487, 2129267, 3274419, 4478803, 6387801, 7640311, 13436409, 18555041, 22920933, 55665123, 129885287, 389655861]

約数ペア:

[(1, 389655861), (3, 129885287), (7, 55665123), (17, 22920933), (21, 18555041), (29, 13436409), (51, 7640311), (61, 6387801), (87, 4478803), (119, 3274419), (183, 2129267), (203, 1919487), (357, 1091473), (427, 912543), (493, 790377), (609, 639829), (617, 631533), (1037, 375753), (1281, 304181), (1479, 263459), (1769, 220269), (1851, 210511), (3111, 125251), (3451, 112911), (4319, 90219), (5307, 73423), (7259, 53679), (10353, 37637), (10489, 37149), (12383, 31467), (12957, 30073), (17893, 21777)]