390921986

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2147923}}^1$

素因数の和:2147945

約数の個数: 16

約数和(自身を含む): 721702464

約数和(自身を除く): 330780478

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 2147923, 4295846, 15035461, 27922999, 30070922, 55845998, 195460993, 390921986]

約数ペア:

[(1, 390921986), (2, 195460993), (7, 55845998), (13, 30070922), (14, 27922999), (26, 15035461), (91, 4295846), (182, 2147923)]