289987272

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{211979}}^1$

素因数の和:212010

約数の個数: 48

約数和(自身を含む): 826722000

約数和(自身を除く): 536734728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 211979, 423958, 635937, 847916, 1271874, 1695832, 1907811, 2543748, 3815622, 4027601, 5087496, 7631244, 8055202, 12082803, 15262488, 16110404, 24165606, 32220808, 36248409, 48331212, 72496818, 96662424, 144993636, 289987272]

約数ペア:

[(1, 289987272), (2, 144993636), (3, 96662424), (4, 72496818), (6, 48331212), (8, 36248409), (9, 32220808), (12, 24165606), (18, 16110404), (19, 15262488), (24, 12082803), (36, 8055202), (38, 7631244), (57, 5087496), (72, 4027601), (76, 3815622), (114, 2543748), (152, 1907811), (171, 1695832), (228, 1271874), (342, 847916), (456, 635937), (684, 423958), (1368, 211979)]