64720190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{380707}}^1$

素因数の和:380731

約数の個数: 16

約数和(自身を含む): 123349392

約数和(自身を除く): 58629202

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 380707, 761414, 1903535, 3807070, 6472019, 12944038, 32360095, 64720190]

約数ペア:

[(1, 64720190), (2, 32360095), (5, 12944038), (10, 6472019), (17, 3807070), (34, 1903535), (85, 761414), (170, 380707)]