9701890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{991}}^1$

素因数の和:1098

約数の個数: 32

約数和(自身を含む): 19284480

約数和(自身を除く): 9582590

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 991, 1958, 1982, 4895, 4955, 9790, 9910, 10901, 21802, 54505, 88199, 109010, 176398, 440995, 881990, 970189, 1940378, 4850945, 9701890]

約数ペア:

[(1, 9701890), (2, 4850945), (5, 1940378), (10, 970189), (11, 881990), (22, 440995), (55, 176398), (89, 109010), (110, 88199), (178, 54505), (445, 21802), (890, 10901), (979, 9910), (991, 9790), (1958, 4955), (1982, 4895)]