12720422

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 22740480

約数和(自身を除く): 10020058

約数列:

[1, 2, 11, 13, 22, 26, 79, 143, 158, 286, 563, 869, 1027, 1126, 1738, 2054, 6193, 7319, 11297, 12386, 14638, 22594, 44477, 80509, 88954, 161018, 489247, 578201, 978494, 1156402, 6360211, 12720422]

約数ペア:

[(1, 12720422), (2, 6360211), (11, 1156402), (13, 978494), (22, 578201), (26, 489247), (79, 161018), (143, 88954), (158, 80509), (286, 44477), (563, 22594), (869, 14638), (1027, 12386), (1126, 11297), (1738, 7319), (2054, 6193)]