1569444890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{21143}}^1$

素因数の和:21734

約数の個数: 32

約数和(自身を含む): 3047780736

約数和(自身を除く): 1478335846

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 571, 1142, 2855, 5710, 7423, 14846, 21143, 37115, 42286, 74230, 105715, 211430, 274859, 549718, 1374295, 2748590, 12072653, 24145306, 60363265, 120726530, 156944489, 313888978, 784722445, 1569444890]

約数ペア:

[(1, 1569444890), (2, 784722445), (5, 313888978), (10, 156944489), (13, 120726530), (26, 60363265), (65, 24145306), (130, 12072653), (571, 2748590), (1142, 1374295), (2855, 549718), (5710, 274859), (7423, 211430), (14846, 105715), (21143, 74230), (37115, 42286)]