788128419

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{2087}}^1$

素因数の和:2547

約数の個数: 32

約数和(自身を含む): 1184246784

約数和(自身を除く): 396118365

約数列:

[1, 3, 13, 23, 39, 69, 299, 421, 897, 1263, 2087, 5473, 6261, 9683, 16419, 27131, 29049, 48001, 81393, 125879, 144003, 377637, 624013, 878627, 1872039, 2635881, 11422151, 20208421, 34266453, 60625263, 262709473, 788128419]

約数ペア:

[(1, 788128419), (3, 262709473), (13, 60625263), (23, 34266453), (39, 20208421), (69, 11422151), (299, 2635881), (421, 1872039), (897, 878627), (1263, 624013), (2087, 377637), (5473, 144003), (6261, 125879), (9683, 81393), (16419, 48001), (27131, 29049)]