1991192238

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{216481}}^1$

素因数の和:216569

約数の個数: 48

約数和(自身を含む): 4998136416

約数和(自身を除く): 3006944178

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 73, 126, 146, 219, 438, 511, 657, 1022, 1314, 1533, 3066, 4599, 9198, 216481, 432962, 649443, 1298886, 1515367, 1948329, 3030734, 3896658, 4546101, 9092202, 13638303, 15803113, 27276606, 31606226, 47409339, 94818678, 110621791, 142228017, 221243582, 284456034, 331865373, 663730746, 995596119, 1991192238]

約数ペア:

[(1, 1991192238), (2, 995596119), (3, 663730746), (6, 331865373), (7, 284456034), (9, 221243582), (14, 142228017), (18, 110621791), (21, 94818678), (42, 47409339), (63, 31606226), (73, 27276606), (126, 15803113), (146, 13638303), (219, 9092202), (438, 4546101), (511, 3896658), (657, 3030734), (1022, 1948329), (1314, 1515367), (1533, 1298886), (3066, 649443), (4599, 432962), (9198, 216481)]