1378994

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:361

約数の個数: 16

約数和(自身を含む): 2159136

約数和(自身を除く): 780142

約数列:

[1, 2, 41, 67, 82, 134, 251, 502, 2747, 5494, 10291, 16817, 20582, 33634, 689497, 1378994]

約数ペア:

[(1, 1378994), (2, 689497), (41, 33634), (67, 20582), (82, 16817), (134, 10291), (251, 5494), (502, 2747)]