28432816540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{862123}}^1$

素因数の和:862246

約数の個数: 48

約数和(自身を含む): 63873042912

約数和(自身を除く): 35440226372

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 340, 388, 485, 970, 1649, 1940, 3298, 6596, 8245, 16490, 32980, 862123, 1724246, 3448492, 4310615, 8621230, 14656091, 17242460, 29312182, 58624364, 73280455, 83625931, 146560910, 167251862, 293121820, 334503724, 418129655, 836259310, 1421640827, 1672518620, 2843281654, 5686563308, 7108204135, 14216408270, 28432816540]

約数ペア:

[(1, 28432816540), (2, 14216408270), (4, 7108204135), (5, 5686563308), (10, 2843281654), (17, 1672518620), (20, 1421640827), (34, 836259310), (68, 418129655), (85, 334503724), (97, 293121820), (170, 167251862), (194, 146560910), (340, 83625931), (388, 73280455), (485, 58624364), (970, 29312182), (1649, 17242460), (1940, 14656091), (3298, 8621230), (6596, 4310615), (8245, 3448492), (16490, 1724246), (32980, 862123)]