686968130

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4040989}}^1$

素因数の和:4041013

約数の個数: 16

約数和(自身を含む): 1309280760

約数和(自身を除く): 622312630

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 4040989, 8081978, 20204945, 40409890, 68696813, 137393626, 343484065, 686968130]

約数ペア:

[(1, 686968130), (2, 343484065), (5, 137393626), (10, 68696813), (17, 40409890), (34, 20204945), (85, 8081978), (170, 4040989)]