201997172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{38461}}^1$

素因数の和:38579

約数の個数: 24

約数和(自身を含む): 384466152

約数和(自身を除く): 182468980

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 5252, 38461, 76922, 153844, 499993, 999986, 1999972, 3884561, 7769122, 15538244, 50499293, 100998586, 201997172]

約数ペア:

[(1, 201997172), (2, 100998586), (4, 50499293), (13, 15538244), (26, 7769122), (52, 3884561), (101, 1999972), (202, 999986), (404, 499993), (1313, 153844), (2626, 76922), (5252, 38461)]