31031208

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:328

約数の個数: 128

約数和(自身を含む): 95356800

約数和(自身を除く): 64325592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 43, 52, 54, 72, 78, 86, 104, 108, 117, 129, 156, 172, 216, 234, 257, 258, 312, 344, 351, 387, 468, 514, 516, 559, 702, 771, 774, 936, 1028, 1032, 1118, 1161, 1404, 1542, 1548, 1677, 2056, 2236, 2313, 2322, 2808, 3084, 3096, 3341, 3354, 4472, 4626, 4644, 5031, 6168, 6682, 6708, 6939, 9252, 9288, 10023, 10062, 11051, 13364, 13416, 13878, 15093, 18504, 20046, 20124, 22102, 26728, 27756, 30069, 30186, 33153, 40092, 40248, 44204, 55512, 60138, 60372, 66306, 80184, 88408, 90207, 99459, 120276, 120744, 132612, 143663, 180414, 198918, 240552, 265224, 287326, 298377, 360828, 397836, 430989, 574652, 596754, 721656, 795672, 861978, 1149304, 1193508, 1292967, 1723956, 2387016, 2585934, 3447912, 3878901, 5171868, 7757802, 10343736, 15515604, 31031208]

約数ペア:

[(1, 31031208), (2, 15515604), (3, 10343736), (4, 7757802), (6, 5171868), (8, 3878901), (9, 3447912), (12, 2585934), (13, 2387016), (18, 1723956), (24, 1292967), (26, 1193508), (27, 1149304), (36, 861978), (39, 795672), (43, 721656), (52, 596754), (54, 574652), (72, 430989), (78, 397836), (86, 360828), (104, 298377), (108, 287326), (117, 265224), (129, 240552), (156, 198918), (172, 180414), (216, 143663), (234, 132612), (257, 120744), (258, 120276), (312, 99459), (344, 90207), (351, 88408), (387, 80184), (468, 66306), (514, 60372), (516, 60138), (559, 55512), (702, 44204), (771, 40248), (774, 40092), (936, 33153), (1028, 30186), (1032, 30069), (1118, 27756), (1161, 26728), (1404, 22102), (1542, 20124), (1548, 20046), (1677, 18504), (2056, 15093), (2236, 13878), (2313, 13416), (2322, 13364), (2808, 11051), (3084, 10062), (3096, 10023), (3341, 9288), (3354, 9252), (4472, 6939), (4626, 6708), (4644, 6682), (5031, 6168)]