68157442.000000000

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{620111}}^1$

素因数の和:620132

約数の個数: 20

約数和(自身を含む): 269128608

約数和(自身を除く): 140145520

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 620111, 1240222, 2480444, 4960888, 8061443, 9921776, 16122886, 32245772, 64491544, 128983088]

約数ペア:

[(1, 128983088), (2, 64491544), (4, 32245772), (8, 16122886), (13, 9921776), (16, 8061443), (26, 4960888), (52, 2480444), (104, 1240222), (208, 620111)]