28459782

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 69189120

約数和(自身を除く): 40729338

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 71, 78, 117, 142, 213, 234, 351, 426, 571, 639, 702, 923, 1142, 1278, 1713, 1846, 1917, 2769, 3426, 3834, 5139, 5538, 7423, 8307, 10278, 14846, 15417, 16614, 22269, 24921, 30834, 40541, 44538, 49842, 66807, 81082, 121623, 133614, 200421, 243246, 364869, 400842, 527033, 729738, 1054066, 1094607, 1581099, 2189214, 3162198, 4743297, 9486594, 14229891, 28459782]

約数ペア:

[(1, 28459782), (2, 14229891), (3, 9486594), (6, 4743297), (9, 3162198), (13, 2189214), (18, 1581099), (26, 1094607), (27, 1054066), (39, 729738), (54, 527033), (71, 400842), (78, 364869), (117, 243246), (142, 200421), (213, 133614), (234, 121623), (351, 81082), (426, 66807), (571, 49842), (639, 44538), (702, 40541), (923, 30834), (1142, 24921), (1278, 22269), (1713, 16614), (1846, 15417), (1917, 14846), (2769, 10278), (3426, 8307), (3834, 7423), (5139, 5538)]