30781972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{5861}}^1$

素因数の和:5979

約数の個数: 24

約数和(自身を含む): 58596552

約数和(自身を除く): 27814580

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 5252, 5861, 11722, 23444, 76193, 152386, 304772, 591961, 1183922, 2367844, 7695493, 15390986, 30781972]

約数ペア:

[(1, 30781972), (2, 15390986), (4, 7695493), (13, 2367844), (26, 1183922), (52, 591961), (101, 304772), (202, 152386), (404, 76193), (1313, 23444), (2626, 11722), (5252, 5861)]