388601031

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 670924800

約数和(自身を除く): 282323769

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 199, 273, 299, 311, 483, 597, 897, 933, 1393, 2093, 2177, 2587, 4043, 4179, 4577, 6279, 6531, 7153, 7761, 12129, 13731, 18109, 21459, 28301, 32039, 50071, 54327, 59501, 61889, 84903, 92989, 96117, 150213, 178503, 185667, 278967, 416507, 433223, 650923, 804557, 1249521, 1299669, 1423447, 1952769, 2413671, 4270341, 5631899, 9964129, 16895697, 18504811, 29892387, 55514433, 129533677, 388601031]

約数ペア:

[(1, 388601031), (3, 129533677), (7, 55514433), (13, 29892387), (21, 18504811), (23, 16895697), (39, 9964129), (69, 5631899), (91, 4270341), (161, 2413671), (199, 1952769), (273, 1423447), (299, 1299669), (311, 1249521), (483, 804557), (597, 650923), (897, 433223), (933, 416507), (1393, 278967), (2093, 185667), (2177, 178503), (2587, 150213), (4043, 96117), (4179, 92989), (4577, 84903), (6279, 61889), (6531, 59501), (7153, 54327), (7761, 50071), (12129, 32039), (13731, 28301), (18109, 21459)]