15661520203

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1481}}^1\times {\mathrm{3457}}^1$

素因数の和:4987

約数の個数: 32

約数和(自身を含む): 19679063040

約数和(自身を除く): 4017542837

約数列:

[1, 7, 19, 23, 133, 161, 437, 1481, 3059, 3457, 10367, 24199, 28139, 34063, 65683, 79511, 196973, 238441, 459781, 556577, 647197, 1510709, 4530379, 5119817, 10574963, 35838719, 97276523, 117755791, 680935661, 824290537, 2237360029, 15661520203]

約数ペア:

[(1, 15661520203), (7, 2237360029), (19, 824290537), (23, 680935661), (133, 117755791), (161, 97276523), (437, 35838719), (1481, 10574963), (3059, 5119817), (3457, 4530379), (10367, 1510709), (24199, 647197), (28139, 556577), (34063, 459781), (65683, 238441), (79511, 196973)]