31165876

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 64495872

約数和(自身を除く): 33329996

約数列:

[1, 2, 4, 7, 14, 28, 61, 71, 122, 142, 244, 257, 284, 427, 497, 514, 854, 994, 1028, 1708, 1799, 1988, 3598, 4331, 7196, 8662, 15677, 17324, 18247, 30317, 31354, 36494, 60634, 62708, 72988, 109739, 121268, 127729, 219478, 255458, 438956, 510916, 1113067, 2226134, 4452268, 7791469, 15582938, 31165876]

約数ペア:

[(1, 31165876), (2, 15582938), (4, 7791469), (7, 4452268), (14, 2226134), (28, 1113067), (61, 510916), (71, 438956), (122, 255458), (142, 219478), (244, 127729), (257, 121268), (284, 109739), (427, 72988), (497, 62708), (514, 60634), (854, 36494), (994, 31354), (1028, 30317), (1708, 18247), (1799, 17324), (1988, 15677), (3598, 8662), (4331, 7196)]