7938918

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 19514880

約数和(自身を除く): 11575962

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 43, 54, 78, 86, 117, 129, 234, 258, 263, 351, 387, 526, 559, 702, 774, 789, 1118, 1161, 1578, 1677, 2322, 2367, 3354, 3419, 4734, 5031, 6838, 7101, 10062, 10257, 11309, 14202, 15093, 20514, 22618, 30186, 30771, 33927, 61542, 67854, 92313, 101781, 147017, 184626, 203562, 294034, 305343, 441051, 610686, 882102, 1323153, 2646306, 3969459, 7938918]

約数ペア:

[(1, 7938918), (2, 3969459), (3, 2646306), (6, 1323153), (9, 882102), (13, 610686), (18, 441051), (26, 305343), (27, 294034), (39, 203562), (43, 184626), (54, 147017), (78, 101781), (86, 92313), (117, 67854), (129, 61542), (234, 33927), (258, 30771), (263, 30186), (351, 22618), (387, 20514), (526, 15093), (559, 14202), (702, 11309), (774, 10257), (789, 10062), (1118, 7101), (1161, 6838), (1578, 5031), (1677, 4734), (2322, 3419), (2367, 3354)]