1285280104

素因数分解:

$2^3\times {\mathrm{17}}^3\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 2613027600

約数和(自身を除く): 1327747496

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 289, 424, 578, 617, 901, 1156, 1234, 1802, 2312, 2468, 3604, 4913, 4936, 7208, 9826, 10489, 15317, 19652, 20978, 30634, 32701, 39304, 41956, 61268, 65402, 83912, 122536, 130804, 178313, 260389, 261608, 356626, 520778, 555917, 713252, 1041556, 1111834, 1426504, 2083112, 2223668, 3031321, 4447336, 6062642, 9450589, 12125284, 18901178, 24250568, 37802356, 75604712, 160660013, 321320026, 642640052, 1285280104]

約数ペア:

[(1, 1285280104), (2, 642640052), (4, 321320026), (8, 160660013), (17, 75604712), (34, 37802356), (53, 24250568), (68, 18901178), (106, 12125284), (136, 9450589), (212, 6062642), (289, 4447336), (424, 3031321), (578, 2223668), (617, 2083112), (901, 1426504), (1156, 1111834), (1234, 1041556), (1802, 713252), (2312, 555917), (2468, 520778), (3604, 356626), (4913, 261608), (4936, 260389), (7208, 178313), (9826, 130804), (10489, 122536), (15317, 83912), (19652, 65402), (20978, 61268), (30634, 41956), (32701, 39304)]