1978889498

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{120473}}^1$

素因数の和:120709

約数の個数: 16

約数和(自身を含む): 3053293056

約数和(自身を除く): 1074403558

約数列:

[1, 2, 43, 86, 191, 382, 8213, 16426, 120473, 240946, 5180339, 10360678, 23010343, 46020686, 989444749, 1978889498]

約数ペア:

[(1, 1978889498), (2, 989444749), (43, 46020686), (86, 23010343), (191, 10360678), (382, 5180339), (8213, 240946), (16426, 120473)]