400101247

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 518712768

約数和(自身を除く): 118611521

約数列:

[1, 7, 13, 41, 73, 91, 113, 169, 287, 511, 533, 791, 949, 1183, 1469, 2993, 3731, 4633, 6643, 6929, 8249, 10283, 12337, 19097, 20951, 32431, 38909, 48503, 57743, 60229, 86359, 107237, 133679, 272363, 338209, 421603, 505817, 750659, 782977, 1394081, 2367463, 3540719, 4396717, 5480839, 9758567, 30777019, 57157321, 400101247]

約数ペア:

[(1, 400101247), (7, 57157321), (13, 30777019), (41, 9758567), (73, 5480839), (91, 4396717), (113, 3540719), (169, 2367463), (287, 1394081), (511, 782977), (533, 750659), (791, 505817), (949, 421603), (1183, 338209), (1469, 272363), (2993, 133679), (3731, 107237), (4633, 86359), (6643, 60229), (6929, 57743), (8249, 48503), (10283, 38909), (12337, 32431), (19097, 20951)]