81700912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15809}}^1$

素因数の和:15853

約数の個数: 40

約数和(自身を含む): 176439600

約数和(自身を除く): 94738688

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 15809, 31618, 63236, 126472, 252944, 268753, 300371, 537506, 600742, 1075012, 1201484, 2150024, 2402968, 4300048, 4805936, 5106307, 10212614, 20425228, 40850456, 81700912]

約数ペア:

[(1, 81700912), (2, 40850456), (4, 20425228), (8, 10212614), (16, 5106307), (17, 4805936), (19, 4300048), (34, 2402968), (38, 2150024), (68, 1201484), (76, 1075012), (136, 600742), (152, 537506), (272, 300371), (304, 268753), (323, 252944), (646, 126472), (1292, 63236), (2584, 31618), (5168, 15809)]