1281967790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{327869}}^1$

素因数の和:327916

約数の個数: 32

約数和(自身を含む): 2549517120

約数和(自身を除く): 1267549330

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 327869, 655738, 1639345, 3278690, 5573773, 7540987, 11147546, 15081974, 27868865, 37704935, 55737730, 75409870, 128196779, 256393558, 640983895, 1281967790]

約数ペア:

[(1, 1281967790), (2, 640983895), (5, 256393558), (10, 128196779), (17, 75409870), (23, 55737730), (34, 37704935), (46, 27868865), (85, 15081974), (115, 11147546), (170, 7540987), (230, 5573773), (391, 3278690), (782, 1639345), (1955, 655738), (3910, 327869)]