12420395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 17236800

約数和(自身を除く): 4816405

約数列:

[1, 5, 13, 19, 65, 89, 95, 113, 247, 445, 565, 1157, 1235, 1469, 1691, 2147, 5785, 7345, 8455, 10057, 10735, 21983, 27911, 50285, 109915, 130741, 139555, 191083, 653705, 955415, 2484079, 12420395]

約数ペア:

[(1, 12420395), (5, 2484079), (13, 955415), (19, 653705), (65, 191083), (89, 139555), (95, 130741), (113, 109915), (247, 50285), (445, 27911), (565, 21983), (1157, 10735), (1235, 10057), (1469, 8455), (1691, 7345), (2147, 5785)]