515689993

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{28477}}^1$

素因数の和:28696

約数の個数: 16

約数和(自身を含む): 637907200

約数和(自身を除く): 122217207

約数列:

[1, 7, 13, 91, 199, 1393, 2587, 18109, 28477, 199339, 370201, 2591407, 5666923, 39668461, 73669999, 515689993]

約数ペア:

[(1, 515689993), (7, 73669999), (13, 39668461), (91, 5666923), (199, 2591407), (1393, 370201), (2587, 199339), (18109, 28477)]