319895545

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{4177}}^1$

素因数の和:4269

約数の個数: 24

約数和(自身を含む): 415577304

約数和(自身を除く): 95681759

約数列:

[1, 5, 17, 53, 85, 265, 289, 901, 1445, 4177, 4505, 15317, 20885, 71009, 76585, 221381, 355045, 1106905, 1207153, 3763477, 6035765, 18817385, 63979109, 319895545]

約数ペア:

[(1, 319895545), (5, 63979109), (17, 18817385), (53, 6035765), (85, 3763477), (265, 1207153), (289, 1106905), (901, 355045), (1445, 221381), (4177, 76585), (4505, 71009), (15317, 20885)]