15979808

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 34292160

約数和(自身を除く): 18312352

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 107, 208, 214, 359, 416, 428, 718, 856, 1391, 1436, 1712, 2782, 2872, 3424, 4667, 5564, 5744, 9334, 11128, 11488, 18668, 22256, 37336, 38413, 44512, 74672, 76826, 149344, 153652, 307304, 499369, 614608, 998738, 1229216, 1997476, 3994952, 7989904, 15979808]

約数ペア:

[(1, 15979808), (2, 7989904), (4, 3994952), (8, 1997476), (13, 1229216), (16, 998738), (26, 614608), (32, 499369), (52, 307304), (104, 153652), (107, 149344), (208, 76826), (214, 74672), (359, 44512), (416, 38413), (428, 37336), (718, 22256), (856, 18668), (1391, 11488), (1436, 11128), (1712, 9334), (2782, 5744), (2872, 5564), (3424, 4667)]