211312472

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{53147}}^1$

素因数の和:53231

約数の個数: 32

約数和(自身を含む): 459198720

約数和(自身を除く): 247886248

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 53147, 106294, 212588, 372029, 425176, 744058, 1488116, 2976232, 3773437, 7546874, 15093748, 26414059, 30187496, 52828118, 105656236, 211312472]

約数ペア:

[(1, 211312472), (2, 105656236), (4, 52828118), (7, 30187496), (8, 26414059), (14, 15093748), (28, 7546874), (56, 3773437), (71, 2976232), (142, 1488116), (284, 744058), (497, 425176), (568, 372029), (994, 212588), (1988, 106294), (3976, 53147)]