389795329

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 546435072

約数和(自身を除く): 156639743

約数列:

[1, 7, 11, 17, 23, 77, 107, 119, 121, 161, 187, 253, 391, 749, 847, 1177, 1309, 1331, 1771, 1819, 2057, 2461, 2737, 2783, 4301, 8239, 9317, 12733, 12947, 14399, 17227, 19481, 20009, 22627, 27071, 30107, 30613, 41837, 47311, 90629, 140063, 142417, 158389, 189497, 214291, 220099, 292859, 297781, 331177, 460207, 520421, 996919, 1540693, 2084467, 2421089, 3221449, 3275591, 3642947, 5062277, 16947623, 22929137, 35435939, 55685047, 389795329]

約数ペア:

[(1, 389795329), (7, 55685047), (11, 35435939), (17, 22929137), (23, 16947623), (77, 5062277), (107, 3642947), (119, 3275591), (121, 3221449), (161, 2421089), (187, 2084467), (253, 1540693), (391, 996919), (749, 520421), (847, 460207), (1177, 331177), (1309, 297781), (1331, 292859), (1771, 220099), (1819, 214291), (2057, 189497), (2461, 158389), (2737, 142417), (2783, 140063), (4301, 90629), (8239, 47311), (9317, 41837), (12733, 30613), (12947, 30107), (14399, 27071), (17227, 22627), (19481, 20009)]