17780984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{170971}}^1$

素因数の和:170990

約数の個数: 16

約数和(自身を含む): 35904120

約数和(自身を除く): 18123136

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 170971, 341942, 683884, 1367768, 2222623, 4445246, 8890492, 17780984]

約数ペア:

[(1, 17780984), (2, 8890492), (4, 4445246), (8, 2222623), (13, 1367768), (26, 683884), (52, 341942), (104, 170971)]