1621498

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:693

約数の個数: 16

約数和(自身を含む): 2600640

約数和(自身を除く): 979142

約数列:

[1, 2, 19, 38, 71, 142, 601, 1202, 1349, 2698, 11419, 22838, 42671, 85342, 810749, 1621498]

約数ペア:

[(1, 1621498), (2, 810749), (19, 85342), (38, 42671), (71, 22838), (142, 11419), (601, 2698), (1202, 1349)]