209425682005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{657197}}^1$

素因数の和:657405

約数の個数: 32

約数和(自身を含む): 279366983424

約数和(自身を除く): 69941301419

約数列:

[1, 5, 17, 23, 85, 115, 163, 391, 815, 1955, 2771, 3749, 13855, 18745, 63733, 318665, 657197, 3285985, 11172349, 15115531, 55861745, 75577655, 107123111, 256964027, 535615555, 1284820135, 1821092887, 2463831553, 9105464435, 12319157765, 41885136401, 209425682005]

約数ペア:

[(1, 209425682005), (5, 41885136401), (17, 12319157765), (23, 9105464435), (85, 2463831553), (115, 1821092887), (163, 1284820135), (391, 535615555), (815, 256964027), (1955, 107123111), (2771, 75577655), (3749, 55861745), (13855, 15115531), (18745, 11172349), (63733, 3285985), (318665, 657197)]