78225584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{257321}}^1$

素因数の和:257348

約数の個数: 20

約数和(自身を含む): 159539640

約数和(自身を除く): 81314056

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 257321, 514642, 1029284, 2058568, 4117136, 4889099, 9778198, 19556396, 39112792, 78225584]

約数ペア:

[(1, 78225584), (2, 39112792), (4, 19556396), (8, 9778198), (16, 4889099), (19, 4117136), (38, 2058568), (76, 1029284), (152, 514642), (304, 257321)]