1387663930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2027}}^1\times {\mathrm{4027}}^1$

素因数の和:6078

約数の個数: 32

約数和(自身を含む): 2646686016

約数和(自身を除く): 1259022086

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 2027, 4027, 4054, 8054, 10135, 20135, 20270, 34459, 40270, 68459, 68918, 136918, 172295, 342295, 344590, 684590, 8162729, 16325458, 40813645, 81627290, 138766393, 277532786, 693831965, 1387663930]

約数ペア:

[(1, 1387663930), (2, 693831965), (5, 277532786), (10, 138766393), (17, 81627290), (34, 40813645), (85, 16325458), (170, 8162729), (2027, 684590), (4027, 344590), (4054, 342295), (8054, 172295), (10135, 136918), (20135, 68918), (20270, 68459), (34459, 40270)]