1490890751998

素因数分解:

$2^1\times {\mathrm{1091}}^1\times {\mathrm{5231}}^1\times {\mathrm{130619}}^1$

素因数の和:136943

約数の個数: 16

約数和(自身を含む): 2238830979840

約数和(自身を除く): 747940227842

約数列:

[1, 2, 1091, 2182, 5231, 10462, 130619, 261238, 5707021, 11414042, 142505329, 285010658, 683267989, 1366535978, 745445375999, 1490890751998]

約数ペア:

[(1, 1490890751998), (2, 745445375999), (1091, 1366535978), (2182, 683267989), (5231, 285010658), (10462, 142505329), (130619, 11414042), (261238, 5707021)]