990565872

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{290659}}^1$

素因数の和:290741

約数の個数: 40

約数和(自身を含む): 2595012480

約数和(自身を除く): 1604446608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 284, 426, 568, 852, 1136, 1704, 3408, 290659, 581318, 871977, 1162636, 1743954, 2325272, 3487908, 4650544, 6975816, 13951632, 20636789, 41273578, 61910367, 82547156, 123820734, 165094312, 247641468, 330188624, 495282936, 990565872]

約数ペア:

[(1, 990565872), (2, 495282936), (3, 330188624), (4, 247641468), (6, 165094312), (8, 123820734), (12, 82547156), (16, 61910367), (24, 41273578), (48, 20636789), (71, 13951632), (142, 6975816), (213, 4650544), (284, 3487908), (426, 2325272), (568, 1743954), (852, 1162636), (1136, 871977), (1704, 581318), (3408, 290659)]