78640458

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{3923}}^1$

素因数の和:4198

約数の個数: 32

約数和(自身を含む): 170081856

約数和(自身を除く): 91441398

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 257, 514, 771, 1542, 3341, 3923, 6682, 7846, 10023, 11769, 20046, 23538, 50999, 101998, 152997, 305994, 1008211, 2016422, 3024633, 6049266, 13106743, 26213486, 39320229, 78640458]

約数ペア:

[(1, 78640458), (2, 39320229), (3, 26213486), (6, 13106743), (13, 6049266), (26, 3024633), (39, 2016422), (78, 1008211), (257, 305994), (514, 152997), (771, 101998), (1542, 50999), (3341, 23538), (3923, 20046), (6682, 11769), (7846, 10023)]