78239984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{919}}^1$

素因数の和:1257

約数の個数: 40

約数和(自身を含む): 161195040

約数和(自身を除く): 82955056

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 313, 626, 919, 1252, 1838, 2504, 3676, 5008, 5321, 7352, 10642, 14704, 15623, 21284, 31246, 42568, 62492, 85136, 124984, 249968, 287647, 575294, 1150588, 2301176, 4602352, 4889999, 9779998, 19559996, 39119992, 78239984]

約数ペア:

[(1, 78239984), (2, 39119992), (4, 19559996), (8, 9779998), (16, 4889999), (17, 4602352), (34, 2301176), (68, 1150588), (136, 575294), (272, 287647), (313, 249968), (626, 124984), (919, 85136), (1252, 62492), (1838, 42568), (2504, 31246), (3676, 21284), (5008, 15623), (5321, 14704), (7352, 10642)]