72015988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{7757}}^1$

素因数の和:7983

約数の個数: 24

約数和(自身を含む): 138154464

約数和(自身を除く): 66138476

約数列:

[1, 2, 4, 11, 22, 44, 211, 422, 844, 2321, 4642, 7757, 9284, 15514, 31028, 85327, 170654, 341308, 1636727, 3273454, 6546908, 18003997, 36007994, 72015988]

約数ペア:

[(1, 72015988), (2, 36007994), (4, 18003997), (11, 6546908), (22, 3273454), (44, 1636727), (211, 341308), (422, 170654), (844, 85327), (2321, 31028), (4642, 15514), (7757, 9284)]