668879458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1354007}}^1$

素因数の和:1354041

約数の個数: 16

約数和(自身を含む): 1137366720

約数和(自身を除く): 468487262

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 1354007, 2708014, 17602091, 25726133, 35204182, 51452266, 334439729, 668879458]

約数ペア:

[(1, 668879458), (2, 334439729), (13, 51452266), (19, 35204182), (26, 25726133), (38, 17602091), (247, 2708014), (494, 1354007)]