8431956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 23543520

約数和(自身を除く): 15111564

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 419, 468, 516, 559, 774, 838, 1118, 1257, 1548, 1676, 1677, 2236, 2514, 3354, 3771, 5028, 5031, 5447, 6708, 7542, 10062, 10894, 15084, 16341, 18017, 20124, 21788, 32682, 36034, 49023, 54051, 65364, 72068, 98046, 108102, 162153, 196092, 216204, 234221, 324306, 468442, 648612, 702663, 936884, 1405326, 2107989, 2810652, 4215978, 8431956]

約数ペア:

[(1, 8431956), (2, 4215978), (3, 2810652), (4, 2107989), (6, 1405326), (9, 936884), (12, 702663), (13, 648612), (18, 468442), (26, 324306), (36, 234221), (39, 216204), (43, 196092), (52, 162153), (78, 108102), (86, 98046), (117, 72068), (129, 65364), (156, 54051), (172, 49023), (234, 36034), (258, 32682), (387, 21788), (419, 20124), (468, 18017), (516, 16341), (559, 15084), (774, 10894), (838, 10062), (1118, 7542), (1257, 6708), (1548, 5447), (1676, 5031), (1677, 5028), (2236, 3771), (2514, 3354)]