172990402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20599}}^1$

素因数の和:20650

約数の個数: 32

約数和(自身を含む): 311472000

約数和(自身を除く): 138481598

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 323, 442, 494, 646, 4199, 8398, 20599, 41198, 267787, 350183, 391381, 535574, 700366, 782762, 4552379, 5087953, 6653477, 9104758, 10175906, 13306954, 86495201, 172990402]

約数ペア:

[(1, 172990402), (2, 86495201), (13, 13306954), (17, 10175906), (19, 9104758), (26, 6653477), (34, 5087953), (38, 4552379), (221, 782762), (247, 700366), (323, 535574), (442, 391381), (494, 350183), (646, 267787), (4199, 41198), (8398, 20599)]