1289744902274

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{3821}}^1\times {\mathrm{13729}}^1$

素因数の和:18218

約数の個数: 32

約数和(自身を含む): 2040269212800

約数和(自身を除く): 750524310526

約数列:

[1, 2, 19, 38, 647, 1294, 3821, 7642, 12293, 13729, 24586, 27458, 72599, 145198, 260851, 521702, 2472187, 4944374, 8882663, 17765326, 46971553, 52458509, 93943106, 104917018, 168770597, 337541194, 996711671, 1993423342, 33940655323, 67881310646, 644872451137, 1289744902274]

約数ペア:

[(1, 1289744902274), (2, 644872451137), (19, 67881310646), (38, 33940655323), (647, 1993423342), (1294, 996711671), (3821, 337541194), (7642, 168770597), (12293, 104917018), (13729, 93943106), (24586, 52458509), (27458, 46971553), (72599, 17765326), (145198, 8882663), (260851, 4944374), (521702, 2472187)]