61191415

素因数分解:

$5^1\times {\mathrm{17}}^3\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:156

約数の個数: 32

約数和(自身を含む): 81181440

約数和(自身を除く): 19990025

約数列:

[1, 5, 17, 47, 53, 85, 235, 265, 289, 799, 901, 1445, 2491, 3995, 4505, 4913, 12455, 13583, 15317, 24565, 42347, 67915, 76585, 211735, 230911, 260389, 719899, 1154555, 1301945, 3599495, 12238283, 61191415]

約数ペア:

[(1, 61191415), (5, 12238283), (17, 3599495), (47, 1301945), (53, 1154555), (85, 719899), (235, 260389), (265, 230911), (289, 211735), (799, 76585), (901, 67915), (1445, 42347), (2491, 24565), (3995, 15317), (4505, 13583), (4913, 12455)]