391407492

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{665659}}^1$

素因数の和:665680

約数の個数: 36

約数和(自身を含む): 1062393360

約数和(自身を除く): 670985868

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 665659, 1331318, 1996977, 2662636, 3993954, 4659613, 7987908, 9319226, 13978839, 18638452, 27957678, 32617291, 55915356, 65234582, 97851873, 130469164, 195703746, 391407492]

約数ペア:

[(1, 391407492), (2, 195703746), (3, 130469164), (4, 97851873), (6, 65234582), (7, 55915356), (12, 32617291), (14, 27957678), (21, 18638452), (28, 13978839), (42, 9319226), (49, 7987908), (84, 4659613), (98, 3993954), (147, 2662636), (196, 1996977), (294, 1331318), (588, 665659)]